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. 2023 May 18;18(5):e0284455. doi: 10.1371/journal.pone.0284455

Table 4. Serum DDX43 protein levels and its mRNA expression in malignant breast cancer patients subgroups according to some pathological parameters.

Characteristics Serum DDX43 protein levels (ng/L) (mean ± SD) P-value mRNA expression of DDX43
(mean ± SD)
P-value
Pathological parameters
Tumor size (continuous) (n)
T1 (<2 cm) (10) vs. T2 (2–5 cm) (22)
T2 (2–5 cm) (22) vs. T3-4 (>5 cm) (27)
T1 (<2 cm) (10) vs. T3-4 (>5 cm) (27)

1294±1024.64
2783.5±2317.01
2783.5±2317.01*
1333.9±825.99

0.058
0.039

2.28±2.14
1.24±1.57
2.28±2.14
1.40±1.74

0.110
0.141
Tumor type (n)
IDC (36) vs. ILC (8)
IDC (36) vs. ICC (5)
ILC (8) vs. ICC (5)

1177±934.84*
2103.1±936.43
1177±934.84*
4955±4284.34
2103.1±936.43
4955±4284.34

0.042
0.006
0.152
Mitosis score (n)
1 (7) vs. 2 (44)
2 (44) vs. 3 (9)
1 (7) vs. 3 (9)

2271.8±1948.29
1142.1±870.3

0.137

0.67±0.88
1.67±1.93
0.67±0.88
1.29±1.34

0.129
0.108
Nuclear grade (n)
2 (40)
3 (16)

2252.1±1944.33
1273.1±1167.98

0.088

1.22±1.36
2.3±2.55

0.085
Tumor grade (n)
Grade 2 (36) vs. grade 3 (17)
Grade 1 (7) vs. grade 3 (17)


1.3±1.62
2.06±2.17*
0.86±0.82
2.06±2.17

0.037
0.056
Hormonal receptors
Estrogen receptor (n)
Negative (9)
Positive (51)


2.07±2.21
1.36±1.66

0.168
Triple-negative phenotype (n)
No (53)
Yes (7)



1.35±1.63
2.36±2.47

0.187