Table 2 Characteristics of patients with stage IA non–small-cell lung cancer > 1 to 2 cm
Characteristic | Lobectomy (N = 10,005) | Segmentectomy (N = 757) | Wedge resection (N = 2804) | P |
|---|---|---|---|---|
Age | < 0.001 | |||
< 60 y | 2244 (22) | 140 (19) | 466 (17) | |
60–74 y | 5695 (56) | 395 (52) | 1474 (52) | |
≥ 75y | 2066 (21) | 222 (29) | 864 (31) | |
Gender | 0.175 | |||
Male | 4213 (42) | 295 (39) | 1198 (43) | |
Female | 5792 (58) | 462 (61) | 1606 (57) | |
Race | ||||
White | 8103 (81) | 629 (83) | 2334 (83) | < 0.001 |
Black | 751 (7) | 64 (9) | 227 (8) | |
Hispanic | 446 (5) | 32 (4) | 109 (4) | |
Asian | 638 (6) | 31 (4) | 118 (4) | |
Other | 67 (1) | 1(0) | 16 (1) | |
Side | < 0.001 | |||
Left | 3890 (39) | 360 (48) | 1228 (44) | |
Right | 6115 (61) | 397 (52) | 1576 (56) | |
Location | < 0.001 | |||
Upper | 6322 (63) | 438 (58) | 1831 (65) | |
Middle | 660 (7) | 20 (3) | 123 (4) | |
Lower | 3023 (30) | 299 (39) | 850 (30) | |
Grade | < 0.001 | |||
Grade I | 2273 (23) | 177 (23) | 615 (22) | |
Grade II | 4561 (45) | 346 (46) | 1169 (42) | |
Grade III | 2384 (24) | 166 (22) | 736 (26) | |
Grade IV | 115 (1) | 6 (1) | 48 (2) | |
Unknow | 672 (7) | 62 (8) | 236 (8) | |
Histology | < 0.001 | |||
sq | 2000 (20) | 174 (23) | 707 (25) | |
ad | 6074 (61) | 432 (57) | 1489 (53) | |
BAC | 995 (10) | 90 (12) | 273 (10) | |
Large cell | 211 (2) | 15 (2) | 92 (3) | |
Other | 725 (7) | 46 (6) | 243 (9) | |