Table 2.
Cross table for extracapsular spread
| Extracapsular spread status | N | Absent [n = 213] | Present [n = 25] | Test statistic | |
|---|---|---|---|---|---|
| Age | Median (IQR) | 238 | 62.0 (51.0–70.3) | 67.0 (57.7–75.0) | H = 2.36, p = 0.1261b |
| Sex | Male | 238 | 118 (55.4) | 16 (64.0) | χ2(1) = 0.67, p = 0.041a |
| Primary site | Head and neck | 238 | 26 (12.2) | 2 (8.0) | χ2(3) = 0.88, p = 0.083a |
| Torso | 105 (49.3) | 12 (48.0) | |||
| Upper limb | 30 (14.1) | 5 (20.0) | |||
| Lower limb | 52 (24.4) | 6 (24.0) | |||
| Subtype | SSM | 238 | 157 (73.7) | 15 (60.0) | χ2(4) = 7.58, p = 0.108a |
| Nodular | 40 (18.8) | 4 (16.0) | |||
| Acral | 4 (1.9) | 2 (8.0) | |||
| Lentigo maligna | 3 (1.4) | 1 (4.0) | |||
| Other | 9 (4.2) | 3 (12.0) | |||
| Breslow | Median (IQR) | 238 | 2.4 (1.6–4.1) | 2.8 (1.7–3.7) | H = 0.01, p = 0.906b |
| Ulceration | Present | 238 | 84 (39.4) | 11 (44.0) | χ2(1) = 0.19, p = 0.66a |
| N stagec | N0 | 238 | 0 (0.0) | 0 (0.0) | χ2(2) = 15.94, p < 0.001a |
| N1 | 157 (73.7) | 9 (36.0) | |||
| N2 | 52 (24.4) | 14 (56.0) | |||
| N3 | 4 (1.9) | 2 (8.0) | |||
| Deposit size | Median (IQR) | 238 | 1.2 (0.4–4.0) | 7.5 (3.4–11.3) | H = 31.19, p < 0.001b |
Data are expressed as n (%) unless otherwise specified
N indicates the number of non-missing values
aPearson (degrees of freedom)
bKruskal–Wallis with 1 degree of freedom
cAJCC 8th edition
IQR interquartile range, SSM superficial spreading melanoma, AJCC American Joint Committee on Cancer