Table 1 Baseline clinical characteristics
Variables | Total (n = 45) | The early intervention subgroup (n = 24) | The late intervention subgroup (n = 21) | P |
|---|---|---|---|---|
Age, Mean ± SD | 65.33 ± 10.14 | 67.00 ± 9.86 | 63.43 ± 10.36 | 0.243 |
Sex, n (%) | 0.194 | |||
Male | 34 (75.56) | 20 (83.33) | 14 (66.67) | |
Female | 11 (24.44) | 4 (16.67) | 7 (33.33) | |
TNM stage, n (%) | 0.733 | |||
IIIA | 9 (20.00) | 6 (25.00) | 3 (14.29) | |
IIIB | 14 (31.11) | 7 (29.17) | 7 (33.33) | |
IVA | 22 (48.89) | 11 (45.83) | 11 (52.38) | |
Pathology, n (%) | 0.427 | |||
Squamous | 19 (42.22) | 11 (45.83) | 8 (38.10) | |
Adenocarcinoma | 24 (53.33) | 11 (45.83) | 13 (61.90) | |
Adenosquamous | 2 (4.44) | 2 (8.33) | 0 (0.00) | |
Genetic variation, n (%) | 0.848 | |||
None | 35 (77.78) | 19 (79.17) | 16 (76.19) | |
EGFR positive | 9 (20.00) | 5 (20.83) | 4 (19.05) | |
ALK positive | 1 (2.22) | 0 (0.00) | 1 (4.76) | |
Tumor location, n (%) | 0.526 | |||
Central | 15 (33.33) | 9 (37.50) | 6 (28.57) | |
Peripheral | 30 (66.67) | 15 (62.50) | 15 (71.43) | |
Tumor diameter, Mean ± SD | 5.44 ± 2.05 | 5.75 ± 2.09 | 5.09 ± 2.00 | 0.291 |
Chronic basic pulmonary diseases, n (%) | 0.632 | |||
No | 24 (53.33) | 12 (50.00) | 12 (57.14) | |
Yes | 21 (46.67) | 12 (50.00) | 9 (42.86) | |
Hemoptysis, n (%) | 0.549 | |||
No | 37 (82.22) | 21 (87.50) | 16 (76.19) | |
Yes | 8 (17.78) | 3 (12.50) | 5 (23.81) | |
ECOG PS, n (%) | 0.538 | |||
0 | 32 (71.11) | 18 (75.00) | 14 (66.67) | |
1 | 13 (28.89) | 6 (25.00) | 7 (33.33) |