Table 5.
Molecular aberrations in desmoid tumours: retrospective case-series
| Author | Patients and samples (recurrence) | Mean age, range (years) | Sex (F/M) (%) | Sporadic status (%) | Tumour location (%) | Mean tumour size, range (cm) | Molecular target | Results | Significance |
|---|---|---|---|---|---|---|---|---|---|
| Matono et al. [24] |
63 patients 74 samples (11) |
34.2, 0–76 |
65/35 | 100 |
E-AD: 67 AD: 19 I-AD: 14 |
NS | IHC: n (%) | ||
| β-catenin (n > 50% | 35/74 (56) | p = 0.04a | |||||||
| VEGF > 10% | 47/74 (73) | ||||||||
| MVD: mean ± SD | |||||||||
| VEGF ( +) | 10.62 ± 4.41 | p = 0.84b | |||||||
| VEGF (−) | 9.55 ± 3.96 | ||||||||
| Recurrent tumour | 13.97 ± 5.32 | p = 0.02b | |||||||
| Primary tumour | 9.56 ± 3.72 | ||||||||
| Ferenc et al. [25] |
33 patients 35 samples (2) |
33.5, 15–68 |
86/14 | 100 |
E-AD: 43 AD: 57 |
5, 2–12 3 missing |
IHC: n (%) | ||
| α-catenin (c) ≥ 10% |
E-AD: 10/15 (67) AD: 13/20 (65) |
– | |||||||
| α-catenin (c) (–) |
E-AD: 5/15 (33) AD: 7/20 (35) |
– | |||||||
| β-catenin (c) ≥ 10% |
E-AD: 14/15 (93) AD: 17/20 (85) |
– | |||||||
| β-catenin (n ≥ 10% |
E-AD: 8/15 (53) AD: 15/20 (75) |
– | |||||||
| β-catenin (c + n) ≥ 10% |
E-AD: 7/15 (47) AD: 12/20 (60) |
– | |||||||
| N-Cadherin (c) ≥ 10% |
E-AD: 4/15 (27) AD: 4/20 (20) |
– | |||||||
| IHC: % mean immunoreactive cells | |||||||||
| α-catenin (c) |
E-AD: 61.5 AD: 42.3 |
p = 0.0165c | |||||||
| β-catenin (c) |
E-AD: 51.3 AD: 35.5 |
p > 0.05c | |||||||
| β-catenin (n |
E-AD: 24.7 AD: 32.5 |
p > 0.05c | |||||||
| β-catenin (c + n) |
E-AD: 24.0 AD: 26.0 |
p > 0.05c | |||||||
| N-cadherin (c) |
E-AD: 55.0 AD: 42.5 |
p > 0.05c | |||||||
| Correlation: r | |||||||||
| β-catenin (n) and α-catenin | −0.0363 | p = 0.9207e | |||||||
| β-catenin (n) and N-cadherin | −0.7510 | p = 0.2490e | |||||||
| Jilong et al. [26] |
99 patients (14) 69 samples |
30.5†, 8–86 |
77/23 | 100 |
E-AD: 45 AD: 35 I-AD: 20 |
NS | Gene sequencing: n (%) | ||
| CTNNB1 T41A | 13/69 (18.8) | – | |||||||
| CTNNB1 WT | 56/69 (81.2) | ||||||||
| CTNNB1 T41A and CCND1 > 10% | 9/13 (69.2) |
χ2 = 4.323 p = 0.038d |
|||||||
| CTNNB1 WT and CCND1 > 10% | 21/56 (37.5) | ||||||||
| IHC: n (%) | |||||||||
| β-catenin (c +n) > 10% | 33/69 (47.8) | ||||||||
| c-myc > 10% | 31/69 (44.9) | ||||||||
| Cyclin D1 > 10% | 30/69 (43.5) | ||||||||
| β-catenin ( +) and c-myc > 10% | 23/33 (69.7) |
χ2 = 15.68 p = 0.001d |
|||||||
| β-catenin (−) and c-myc > 10% | 8/36 (22.2) | ||||||||
| AI: n, mean ± SD | |||||||||
| β-catenin (c +n) > 10% | 33, 0.019 ± 0.008 |
t = 1.72 p = 0.09c |
|||||||
| β-catenin (c +n) (–) | 36, 0.023 ± 0.009 | ||||||||
| c-myc > 10% | 31, 0.019 ± 0.007 |
t = 2.78 p = 0.007c |
|||||||
| c-myc (–) | 38, 0.024 ± 0.010 | ||||||||
| Cyclin-D1 > 10% | 30, 0.018 ± 0.009 |
t = 2.495 p = 0.015c |
|||||||
| Cyclin D1 (–) | 39, 0.024 ± 0.010 | ||||||||
| Stalinska et al. [56] | 18 samples | NS | NS | NS | E-AD: 100 | NS | IHC: n (%) | ||
| pRb > 50% | 17/18 (94.4) | – | |||||||
| pRb 10–50% | 1/18 (5.56) | – | |||||||
| p16 > 50% | 9/18 (50) | – | |||||||
| p16 10-50% | 9/18 (50) | – | |||||||
| PCNA > 50% | 18/18 (100) | – | |||||||
| Ki-67 > 50% | 0/18 (0) | – | |||||||
| Ki-67 (−) | 15/18 (83.33) | – | |||||||
| MCM5 > 50% | 0/18 (0) | – | |||||||
| MCM5 (−) | 18/18 (100) | – | |||||||
| IHC: % mean immunoreactive cells | |||||||||
| pRb | 73.87 | – | |||||||
| P16 | 46.32 | – | |||||||
| PCNA | 79.26 | – | |||||||
| Ki-67 | 7.54 | – | |||||||
| MCM5 | 0.00 | – | |||||||
| Saito et al. [27] | 38 samples | NS | NS | 100 |
E-AD: 74 AD: 26 |
NS | IHC: n (%) | ||
| β-catenin (n) > 75% | 19/38 (50) | – | |||||||
| Cyclin D1 > 5% | 27/38 (71.1) | – | |||||||
| β-catenin (n) and cyclin D1 | 17/19 (89.5) | p = 0.029a | |||||||
| β-catenin (−) and cyclin D1 | 10/19 (52.6) | ||||||||
| IHC: mean (range) | |||||||||
| MIB-1-LI | 3.0 (0–28.6) | – | |||||||
| PCNA-LI | 31.8 (2.5–67.4) | – | |||||||
| IHC: n, mean (SD) | |||||||||
| MIB-1-LI and β-catenin (n) | – | p > 0.05a | |||||||
| MIB-1-LI and cyclin D1 | – | p > 0.05a | |||||||
| PCNA-LI and β-catenin (n) | 19, 37.9 (14.1) | p = 0.007a | |||||||
| PCNA-LI and cyclin-D1 ( +) | 27, 35.9 (13.6) | p = 0.004a | |||||||
| Gene amplification: n (%) | |||||||||
| CCND1 amplification | 13/22 (59.1%) | – | |||||||
| An et al. [28] | 70 samples |
36.01, 0.17–84 |
59/41 | NS |
E-AD: 74 AD: 13 I-AD: 13 |
6.7, 0.9–17 |
IHC: n (%) | ||
| β-catenin (n) > 1% | 56/70 (80) | – | |||||||
| CTNNB1 gene sequencing: n (%) | |||||||||
| WT | 27/70 (38.56) | – | |||||||
| MT | 43/70 (61.43) | – | |||||||
| T41A | 27/70 (62.79) | – | |||||||
| T41I | 1/70 (2.33) | – | |||||||
| S45F | 12/70 (27.91) | – | |||||||
| S45P | 2/70 (4.64) | – | |||||||
| T41A and S45F | 1/70 (2.33) | – | |||||||
| WT and β-catenin (n) | 17/27 (63.0) | p = 0.012a | |||||||
| MT and β-catenin (n) | 39/43 (90.7) | ||||||||
| WT and size (cm; mean ± SD) | 4.973 ± 0.952, n = 22 | p = 0.020c | |||||||
| MT and size (cm; mean ± SD) | 7.655 ± 0.642, n = 42 | ||||||||
| Matono et al. [29] |
63 patients 74 samples (9) |
34.2, NS |
65/35 | 100 |
E-AD: 72 AD: 16 I-AD: 12 |
NS | IHC: n (%) | ||
| β-catenin (n) > 50% | 35/63 (56) | – | |||||||
| MMP7 > 50% | 39/63 (62) | – | |||||||
| Cyclin D1 > 5% | 40/63 (63) | – | |||||||
| β-catenin (n) and MMP7 | 32/63 (51) | p < 0.1a | |||||||
| β-catenin (−) and MMP7 | 7/63 (11) | ||||||||
| β-catenin (n) and cyclin D1 | 27/63 (43) | p = 0.034a | |||||||
| β-catenin (−) and cyclin D1 | 13/63 (21) | ||||||||
| mRNA expression: mean ± SD | |||||||||
| MT CTNNB1 and MMP7 RNA | 129.1 ± 111.8 | p = 0.0018b | |||||||
| WT CTNNB1 and MMP7 RNA | 33.9 ± 23.6 | ||||||||
| MT CTNNB1 and CCND1 RNA | 29.7 ± 8.86 | p = 0.019b | |||||||
| WT CTNNB1 and CCND1 RNA | 6.8 ± 8.01 | ||||||||
| Signoroni et al. [39] | 8 patients |
43, 25–70 |
37/63 | 100 |
E-AD: 50 AD: 50 |
NS | IHC: n (%) | ||
| COX-2 (c) | 8/8 (100) | – | |||||||
| PDGFRA (c) | 8/8 (100) | – | |||||||
| PDGFRB (c) | 8/8 (100) | – | |||||||
| mRNA expression: n (%) | |||||||||
| PTGS2 (COX-2) | 8/8 (100) | – | |||||||
| Gene expression: real-time PCR (mean 2-ΔΔCt) | |||||||||
| PDGFRA | 3.4 | ||||||||
| PDGFRB | 31.8 | ||||||||
| Immunoprecipitation and phosphorylation: n (%) | |||||||||
| PDGFRA expression | 8/8 (100) | – | |||||||
| PDGFRA high expression | 0/8 (100) | ||||||||
| PDGFRB expression | 8/8 (62.5) | – | |||||||
| PDGFRB high expression | 3/8 (37.5) | – | |||||||
| Santti et al. [36] | ERβ | IHC: n (%) | |||||||
|
83 patients 83 samples |
< 35: 43 > 35: 40 |
71/29 | 87 |
E-AD and AD: 88 I-AD: 11 Multifocal: 1 |
< 6: 26 > 6: 43 14 missing |
ERβ expression (%; median, IQR) | 10.8, 31.1 | – | |
| ERβ > 1% | 68/83 (82) | – | |||||||
| Cyclin D1 expression (%; median, IQR) | 15.6, 21.0 | – | |||||||
| Cyclin D1 > 5% | 63/77 (82) | – | |||||||
| Cyclin D1 | Cyclin D1 > 10% | 49/77 (64) | – | ||||||
|
77 patients 77 samples |
< 35: 38 > 35: 39 |
69/31 | 87 |
E-AD and AD: 88 I-AD: 10 Multifocal: 2 |
< 6: 23 > 6: 42 12 missing |
Correlation: r | |||
| ERβ and cyclin D1 | 0.34 | p = 0.004e | |||||||
| ERβ and Ki67 | 0.35 | p = 0.003e | |||||||
| ERβ and cyclin A | 0.40 | p < 0.001e | |||||||
| Cyclin D1 and Ki67 | 0.40 | p = 0.001e | |||||||
| Cyclin D1 and cyclin A | 0.34 | p = 0.004e | |||||||
| Deyrup et al. [45] |
40 patients 40 samples |
33.4, 5–74 |
73/27 | 100 | E-AD: 100 | NS | IHC: n (%) | ||
| ERβ > 50% | 33/40 (83) | – | |||||||
| ERβ 11–50% | 5/40 (12) | – | |||||||
| ERβ < 10% | 2/40 (5) | – | |||||||
| ERα | 0/40 (0) | – | |||||||
| Santos et al. [42] |
59 patients 59 samples |
< 50: 30 > 50: 29 |
61/39 | 100 |
E-AD: 61 AD: 39 |
NS | IHC: n (%) | ||
| ERα ≥ 1% | 0/59 (0) | – | |||||||
| ERβ ≥ 1% | 53/59 (90) | – | |||||||
| PR ≥ 1% | 0/59 (0) | – | |||||||
| c-KIT ≥ 1% | 0/59 (0) | – | |||||||
| Gebert et al. [30] |
37 patients 37 samples |
32.7, 0.9–64.7 |
74/26 | 100 | E-AD and AD: 100 |
< 5: 10 > 5: 8 19 missing |
IHC: n (%) | ||
| β-catenin (n) > 20% | 8/37 (22) | – | |||||||
| β-catenin (n) 1–19% | 17/37 (46) | – | |||||||
| p53 ≥ 2% | 12/37 (32) | – | |||||||
| β-catenin (n) and p53 | – | p < 0.05d | |||||||
| MIB1 ≥ 2% | 1/37 (3) | – | |||||||
| EGFR ≥ 5% | 0/37 (0) | – | |||||||
| HER2 ≥ 5% | 0/37 (0) | – | |||||||
| c-Kit ≥ 5% | 0/37 (0) | – | |||||||
| Misemer et al. [51] |
29 patients 29 samples |
32, 10–80 |
48/52 | 93 |
E-AD: 79 AD: 14 I-AD: 7 |
NS | Correlation (IHC staining with CDR): r (95% CI) | ||
| ADAM12 and log[CDR] | 0.30 (0.25, 0.39) | p < 0.001e | |||||||
| FAP-alpha and log[CDR] | 0.44 (0.27, 0.60) | p < 0.001e | |||||||
| WISP1 and log[CDR] | 0.27 (0.10, 0.42) | p < 0.001e | |||||||
| SOX11 and log[CDR] | 0.14 (−0.09, 0.30) | p = 0.24e | |||||||
| Ishizuka et al. [46] |
27 patients 27 samples |
37, 13–72 |
70/30 | 100 |
E-AD: 78 AD: 22 |
NS | IHC: n (%) | ||
| ERα > 10% | 2/27 (7.4) | – | |||||||
| ERβ > 10% | 2/27 (7.4) | – | |||||||
| PR-A > 10% | 7/27 (25.9) | – | |||||||
| PR-B > 10% | 9/27 (33.3) | – | |||||||
| AR > 10% | 14/27 (52.9) | – | |||||||
| Leithner et al. [43] |
80 patients 116 samples (26) |
34, 0–83 |
61/39 | NS |
E-AD: 58 AD: 26 I-AD: 13 |
NS | IHC (E-AD only): n (%) | ||
| ERα ≥ 10% | 0/46 (0) | – | |||||||
| ERβ ≥ 10% | 4/46 (8.7) | – | |||||||
| PR ≥ 10% | 0/46 (0) | – | |||||||
| AR > 5% | 6/46 (13.0) | – | |||||||
| Cathepsin D ≥ 10% | 46/46 (100) | – | |||||||
| c-Kit ≥ 10% | 0/46 (0) | – | |||||||
| Ki-67 > 5% | 14/46 (30.4) | – | |||||||
| HER2 > 1% | 0/46 (0) | – | |||||||
| Colombo et al. [49] |
152 patients 195 samples (54) |
NS | NS | 100 |
E-AD: 87 I-AD: 13 |
NS | IHC: n (%) | ||
| ADAM12 | 195/195 (100) | – | |||||||
| Midkine | 90/195 (46) | – | |||||||
| MMP2 | 189/195 (97) | – | |||||||
| IHC: intensity score (%) [0 = none, 1 = low, 2 = moderate/strong] | |||||||||
| ADAM12 |
1 (34) 2 (66) |
– | |||||||
| Midkine | 0 (54) | – | |||||||
| MMP2 |
1 (40) 2 (57) |
– | |||||||
| MT CTNNB1 and MMP2 intensity | – | p = 0.0438a | |||||||
| Ahlen et al. [50] | DTF | mRNA expression (in situ hybridisation): n (%) | |||||||
|
7 patients 7 samples |
40.1, 26–52 |
71/29 | NS | E-AD: 100 | NS | DTF | |||
| EMMPRIN | |||||||||
| BFT | <10% | 2/7 (28.6) | – | ||||||
| 6 patients | 34, | 50/50 | NA | E-AD: 100 | NS | 10–70% | 1/7 (14.2) | – | |
| 27–65 | > 70% | 3/7 (42.9) | – | ||||||
| MMP2 | |||||||||
| <10% | 2/7 (28.6) | – | |||||||
| 10–70% | 0/7 (0) | – | |||||||
| > 70% | 4/7 (57.1) | – | |||||||
| MMP14 <10% | 4/7 (57.1) | – | |||||||
| BFT | |||||||||
| EMMPRIN > 70% | 1/6 (17) | – | |||||||
| MMP2 > 70% | 0/6 (0) | – | |||||||
| MMP14 > 70% | 0/6 (0) | – | |||||||
| DTF and BFT | |||||||||
| EMMPRIN | – | p > 0.05a | |||||||
| MMP2 | – | p > 0.05a | |||||||
| MMP14 | – | p > 0.05a | |||||||
| Brautigam et al. [47] |
69 patients 69 samples (19) |
40†, 0–73 |
39/61 | 90 |
E-AD and AD: 67 I-AD: 13 Unknown: 20 |
5.5‡, 0.7–30 |
IHC (IRS > 0): n (%) | ||
| ERα (n) | 0/42 (0) | – | |||||||
| ERβ (n) | 1/37 (2.7) | – | |||||||
| ERβ (c) | 18/33 (54.5) | – | |||||||
| PR (n) | 0/41 (0) | – | |||||||
| AR (n) | 1/33 (3.0) | – | |||||||
| PARP1 (n) | 57/58 (98.3) | – | |||||||
| PARP1 (c) | 0/58 (0) | – | |||||||
| PARP1 (n) IRS 2-3 | 47/58 (81) | – | |||||||
| Correlation: r | |||||||||
| Ki-67 positivity and PARP-1 IRS | −0.375 | p = 0.041f | |||||||
| Saito et al. [31] |
12 patients 17 samples (6) |
32.6, 12–70 |
53/47 | 100 | E-AD: 100 | NS | Gene sequencing: n (%) | ||
| CTNNB1 | |||||||||
| S45F | 5/17 | – | |||||||
| T42R | 1/17 | – | |||||||
| mRNA expression: V (target protein mRNA value/house-keeping gene value) | |||||||||
| MT CTNNB1 and CCND1 | 4259.60 | p = 0.0120b | |||||||
| MT CTNNB1 and β-catenin | 141.02 | p = 0.0036b | |||||||
| IHC: n (%) | |||||||||
| β-catenin (n) ≥ 80% | 12/17 (70.6) | – | |||||||
| β-catenin (n) 50–70% | 5/17 (29.4) | – | |||||||
| Mignemi et al. [32] | DTF | IHC: n (%) | |||||||
|
27 patients 27 samples |
26.6, 1–73 |
52/48 | 100 |
E-AD: 78 AD: 11 Unknown: 11 |
5.8‡, 1–15 |
β-catenin (n) > 5% | |||
| DTF | 19/27 (70 * |
p = 0.0003g *p < 0.01h |
|||||||
| HS | 2/14 (14)* | ||||||||
| FT | 0/6 (0)* | ||||||||
| HS | p-SMAD2/3 > 5% | ||||||||
| 14 samples | 43.3, | 71/29 | NA | E-AD: 71 | NS | DTF | 26/27 (96)* |
p < 0.0001g *p < 0.001h |
|
| 17–58 | AD: 29 | HS | 4/14 (29)* | ||||||
| FT | FT | 0/6 (0)* | |||||||
| 6 samples |
48.3, 34–57 |
50/50 | NA |
E-AD: 33 AD: 67 |
NS | p-SMAD1/5/8 > 5% | |||
| DTF | 5/27 (17) | p > 0.005g | |||||||
| HS | 2/14 (14) | ||||||||
| FT | 0/6 (0) | ||||||||
| COX2 | |||||||||
| DTF | 22/27 (83)* |
p < 0.0001g p < 0.01h |
|||||||
| HS | 3/14 (21)* | ||||||||
| FT | 0/6 (0)* | ||||||||
| Correlation: p | |||||||||
| β-catenin and COX2 | 0.034 | p = 0.873f | |||||||
| TGFR1 and p-SMAD2/3 | 0.651 | p = 0.0006f | |||||||
| COX2 and p-SMAD2/3 | 0.760 | p < 0.0001f | |||||||
| COX2 and TGFR1 | 0.714 | p = 0.0001f | |||||||
| Cates et al. [40] | DTF | IHC: n (%), median intensity score (0, 1 +, 2 +, 3 +) | |||||||
|
27 patients 27 samples |
26.6, 1–73 |
52/48 | 100 |
E-AD: 78 AD: 11 Unknown: 11 |
5.5‡, 1–15 |
PDGFRβ expression | |||
| DTF | 27/27 (100), 3 +* |
p < 0.001g *p < 0.01h |
|||||||
| HS | 14/14 (100), 2 + | ||||||||
| FT | 5/6 (80) 2 +* | ||||||||
| HS | MET expression | ||||||||
| 14 samples | NS | NS | NA | NS | NS | DTF | 24/27 (89), 1 +* |
p = 0.0005g *p < 0.001h |
|
| FT | HS | 14/14 (100), 1 + | |||||||
| 6 samples | NS | NS | NA | NS | NS | FT | 0/6 (0), 0* | ||
| EGFR expression | |||||||||
| DTF | 3/27 (12), 0 | p > 0.005g | |||||||
| HS | 0/14 (0), 0 | ||||||||
| FT | 0/6 (0), 0 | ||||||||
| p-Akt expression | |||||||||
| DTF | 15/27 (56), 1 +* |
p = 0.0002g *p < 0.01h |
|||||||
| HS | NS, 2 +* | ||||||||
| FT | 2/6 (33), 0 | ||||||||
| Varghese et al. [33] | DTF | IHC: n (%), staining intensity (1 +, weak; 2 +, moderate; 3 +, strong) | |||||||
|
15 patients 15 samples |
35.2, 22–62 |
40/60 | NS |
E-AD: 73 AD: 27 |
NS | β-catenin (n) | |||
| DTF | 15/15 (100), 2 + to 3 + | – | |||||||
| STDC | STDC | 0/10 (0) | – | ||||||
| 10 samples | NS | NS | NA | NS | NS | TGFβ (c) | |||
| DTF | 15/15 (100), 2 + to 3 + | – | |||||||
| STDC |
8/10 (80), 2 + to 3 + 2/10 (20), 1 + |
– | |||||||
| CTGF (c) | |||||||||
| DTF |
10/15 (66.7), 2 + to 3 + 5/15 (33), 1 + |
– | |||||||
| STDC |
4/10 (40), 2 + to 3 + 6/10 (60), 1 + |
– | |||||||
AD abdominal, AI apoptotic index, AR androgen receptor, BFT benign fibrous tumour, CDR chromosome density ratio, CI confidence interval, COX2 cyclooxygenase-2, CTGF connective tissue growth factor, DTF desmoid-type fibromatosis, E-AD extra-abdominal, EGFR epidermal growth factor receptor, EMMPRIN extracellular matrix metalloproteinase inducer, ERα oestrogen receptor-α, ERβ oestrogen receptor-β, FAP-alpha fibroblast activation protein-alpha, FT fibrous tissue, HER2 human epidermal growth factor receptor 2, HS hypertrophic scar, I-AD intra-abdominal, IHC immunohistochemistry, IRS immunoreactive score (staining intensity multiplied by percentage of positive tumour cells), LI labelling index (percent of positive immunostaining tumour cells), MCM5 minichromosome maintenance complex component 5, MMP matrix metalloproteinase, MT mutated, MVD microvessel density (mm2), n number of cases, NA not applicable, NS not specified, p Spearman’s correlation coefficient, PARP1 poly(ADP-ribose) polymerase 1, PCNA proliferating cell nuclear antigen, PDGFRα platelet-derived growth factor receptor-α, PDGFRβ platelet-derived growth factor receptor-β, PR-A progesterone receptor-A, PR-B progesterone receptor-B, r Pearson’s correlation coefficient, SD standard deviation, SOX11 SRY-box transcription factor 11, STDC scar tissue and normal dermal collagen, S45F serine to phenylalanine substitution in codon 45, S45P serine to proline substitution in codon 45, T41A threonine to alanine substitution in codon 41, T41I threonine to isoleucine substitution in codon 41, T42R threonine to arginine substitution in codon 42, TGFβ transforming growth factor-β, VEGF vascular endothelial growth factor, WISP1 Wnt inducible signalling pathway protein 1, WT wild-type, (c) cytoplasmic staining, (c + n) cytoplasmic and nuclear staining, (n) nuclear staining, (+) positive, (–) negative
†Indicates median age (years)
‡Indicates median tumour size (cm).
aFisher’s exact test
bMann–Whitney U test
cStudent’s t test
dχ2 test
ePearson’s correlation
fSpearman’s correlation
gKruskal–Wallis test
hDunn’s multiple comparison test
Significant p values indicated in bold