Table 1 Basic characteristic of AS patients from SEER.
Variables | Total (n = 251) | Training (n = 177) | Validation(n = 74) | P |
|---|---|---|---|---|
Age, n (%) | 0.24 | |||
< 50 | 33 (13.1) | 25 (14.1) | 8 (10.8) | |
50–82 | 181 (72.2) | 129 (72.9) | 52 (70.3) | |
≥ 83 | 37 (14.7) | 23 (13) | 14 (18.9) | |
Race, n (%) | 1 | |||
White | 219 (87.3) | 154 (87) | 65 (87.8) | |
Black | 17 (6.8) | 12 (6.8) | 5 (6.8) | |
Other | 15 (5.9) | 11 (6.2) | 4 (5.4) | |
Gender, n (%) | 0.78 | |||
Male | 117 (46.6) | 81 (45.8) | 36 (48.6) | |
Female | 134 (53.4) | 96 (54.2) | 38 (51.4) | |
Primary Site, n (%) | 0.63 | |||
SoftTissue | 219 (87.3) | 152 (85.9) | 67 (90.5) | |
HeartMediastinum | 17 (6.7) | 14 (7.9) | 3 (4.1) | |
Peritoneum | 5 (2) | 3 (1.7) | 2 (2.7) | |
Bone | 10 (4) | 8 (4.5) | 2 (2.7) | |
Grade, n (%) | 0.18 | |||
Grade I | 25 (10) | 14 (7.9) | 11 (14.9) | |
Grade II | 34 (13.5) | 27 (15.3) | 7 (9.5) | |
Grade III | 98 (38.7) | 73 (40.7) | 25 (33.8) | |
Grade IV | 94 (37.8) | 63 (36.1) | 31 (41.8) | |
Stage, n (%) | 0.82 | |||
IA | 30 (12) | 20 (11.3) | 10 (13.5) | |
IB | 23 (9.2) | 15 (8.5) | 8 (10.8) | |
IIA | 79 (31.5) | 58 (32.8) | 21 (28.4) | |
IIB | 15 (6) | 12 (6.7) | 3 (4.1) | |
III | 104 (41.3) | 72 (40.7) | 32 (43.2) | |
AJCC T stage (7th), n (%) | 0.93 | |||
T1a | 49 (19.5) | 33 (18.6) | 16 (21.6) | |
T1b | 74 (29.5) | 54 (30.5) | 20 (27) | |
T2a | 41 (16.3) | 27 (15.3) | 14 (18.9) | |
T2b | 72 (28.7) | 53 (29.4) | 19 (25.7) | |
T3 | 1 (0.4) | 1 (0.6) | 0 (0) | |
TX | 14 (5.6) | 9 (5.6) | 5 (6.8) | |
AJCC N stage (7th), n (%) | 0.86 | |||
N0 | 226 (90) | 159 (89.8) | 67 (90.5) | |
N1 | 25 (10) | 18 (10.2) | 7 (9.5) |
