TABLE 1.
Characteristic of LUAD patients in train, test and all TCGA data set.
| Characteristics | Train set (n = 236) | Test set (n = 232) | p value a | Total set (n = 468) | |
|---|---|---|---|---|---|
| Age (IQR), year | 67.0 (59.0, 7.3.0) | 64.0 (59.0, 72.0) | 0.229 | 66.0 (59.0, 72.0) | |
| Gender | Male | 116 (49.15%) | 98 (42.24%) | 0.133 | 214 (45.73%) |
| Female | 120 (50.85%) | 134 (57.76%) | 254 (54.27%) | ||
| Race | American Indian or Alaska native | 0 (0%) | 1 (0.43%) | 1 (0.21%) | |
| Asian | 6 (2.54%) | 1 (0.43%) | 7 (1.50%) | ||
| Black or African American | 23 (9.75%) | 27 (11.64%) | 50 (10.68%) | ||
| White | 182 (77.12%) | 173 (74.57%) | 355 (75.85%) | ||
| Unknow | 25 (10.59%) | 30 (12.93%) | 55 (11.75%) | ||
| Stage | Stage I | 126 (53.39%) | 127 (54.74%) | 0.843 | 253 (54.06%) |
| Stage II | 57 (24.15%) | 50 (21.55%) | 107 (22.86%) | ||
| Stage III | 39 (16.53%) | 36 (15.52%) | 75 (16.03%) | ||
| Stage IV | 11 (4.66%) | 14 (6.03%) | 25 (5.34%) | ||
| Unknown | 3 (1.27%) | 5 (2.16%) | 8 (1.71%) | ||
| T | T1 | 80 (33.9%) | 79 (34.05%) | 0.426 | 159 (33.97%) |
| T2 | 124 (52.54%) | 124 (53.45%) | 248 (52.99%) | ||
| T3 | 23 (9.75%) | 16 (6.9%) | 39 (8.33%) | ||
| T4 | 9 (3.81%) | 10 (4.31%) | 19 (4.06%) | ||
| Unknown | 0 (0%) | 3 (1.29%) | 3 (0.64%) | ||
| M | M0 | 158 (66.95%) | 157 (67.67%) | 0.848 | 315 (67.31%) |
| M1 | 11 (4.66%) | 13 (5.6%) | 24 (5.13%) | ||
| Unknown | 67 (28.39%) | 62 (26.72%) | 129 (27.56%) | ||
| N | N0 | 153 (64.83%) | 149 (64.22%) | 0.395 | 302 (64.53%) |
| N1 | 47 (19.92%) | 39 (16.81%) | 86 (18.38%) | ||
| N2 | 32 (13.56%) | 34 (14.66%) | 66 (14.1%) | ||
| N3 | 1 (0.42%) | 1 (0.43%) | 2 (0.43%) | ||
| Unknown | 3 (1.27%) | 9 (3.88%) | 12 (2.56%) | ||
| Smoking | Smoker | 29 (12.29%) | 37 (15.95%) | 0.466 | 66 (14.1%) |
| Non-smoker | 200 (84.75%) | 190 (81.9%) | 390 (83.33%) | ||
| Unknown | 7 (2.97%) | 5 (2.16%) | 12 (2.56%) | ||
Data are presented as the median (interquartile range) or No. (percentage).
Abbreviation: IQR, interquartile range.
a
Comparison between groups (train and test set): Mann-Whitney test, or χ2 test or Fisher exact test.