With RP (n = 25) | Without RP (n = 51) | P value | ||
Clinical stage III a III b | 9 (36%) 16 (64%) | 17 (33%) 34 (67%) | Univariate 0.453 0.564 | Multivariate 0.082 0.571 |
Site of the tumor Upper lobe Lower lobe Central tumor Peripheral tumor | 10 (40%) 15 (60%) 18 (72%) 7 (23%) | 20 (39%) 31 (61%) 43 (84%) 8 (16%) | 0.341 0.876 0.435 0.657 | 0.123 0.342 0.521 0.645 |
Histopathology Squamus cell carcinoma Adenocarcinoma Large cell | 13 (52%) 5 (20%) 7 (28%) | 23 (45%) 10 (19%) 18 (36%) | 0.451 0.234 0.561 | 0.473 0.07 0.987 |