Table 1 Patient characteristics
Characteristics | Total (n = 84) | Surgery (n = 55) | Radiotherapy (n = 29) | P-value |
|---|---|---|---|---|
Sex | 0.406 | |||
-Male (%) | 44 (52) | 27 (49) | 17 (59) | |
-Female (%) | 40 (48) | 28 (51) | 12 (41) | |
Age, median (range) | 68 (50–87) | 65 (50–81) | 73 (52–87) | 0.001 |
Education level (%): | 0.875 | |||
-Primary education | 12 (14) | 8 (15) | 4 (14) | |
-Secondary education | 21 (55) | 29 (53) | 17 (59) | |
-Higher education | 46 (27) | 15 (27) | 8 (27) | |
-Other | 3 (4) | 3 (5) | – | |
Smoking habits | ||||
-Nonsmoker (%) | 3 (4) | 2 (4) | 1 (3) | 0.588 |
-Current or former smoker (%) | 60 (71) | 38 (69) | 22 (76) | |
-Unknown, n (%) | 21 (25) | 15 (27) | 6 (21) | |
FEV1% mean ± SDa | 80 (24) | 87 (20) | 67 (26) | 0.001 |
-Unknown, n (%) | 3 (4) | 2 (4) | 1 (3) | |
DLCO (%) mean ± SDb | 76 (24) | 83 (22) | 61 (22) | <0.001 |
COPD (%)c | 0.001 | |||
-No COPD | 38 (45) | 31 (56) | 7 (24) | |
-GOLD I | 17 (20) | 10 (18) | 7 (24) | |
-GOLD II | 19 (23) | 13 (24) | 6 (21) | |
-GOLD III | 8 (10) | 1 (2) | 7 (24) | |
-GOLD IV | 2 (2) | – | 2 (7) | |
Charlson comorbidity index (%) | 0.026 | |||
- ≤ 1 | 47 (56) | 33 (60) | 14 (48) | |
-2–3 | 26 (31) | 17 (31) | 9 (32) | |
-4 | 6 (7) | 3 (5) | 3 (10) | |
- ≥ 5 | 5 (6) | 2 (4) | 3 (10) | |
Clinical stage (%) | 0.001 | |||
-IA | 47 (56) | 22 (40) | 25 (86) | |
-IB | 14 (17) | 12 (22) | 2 (7) | |
-IIA | 17 (20) | 15 (27) | 2 (7) | |
-IIB | 6 (7) | 6 (11) | ||
Pathological stage (%) | ||||
-IA | 17 (31) | 17 (31) | – | |
-IB | 18 (33) | 18 (33) | – | |
-IIA | 9 (16) | 9 (16) | – | |
-IIB | 7 (13) | 7 (13) | – | |
-IIIA/B | 4 (7) | 4 (7) | – | |
Histology (%) | 0.262 | |||
-Squamous cell carcinoma | 18 (21) | 14 (26) | 4 (14) | |
-Adenocarcinoma | 21 (25) | 15 (27) | 6 (21) | |
-Large cell carcinoma | 8 (10) | 6 (11) | 2 (7) | |
-NSCLC | 37 (44) | 20 (36) | 17 (58) | |
Clinical tumor diameter (mm), median (range) | 25 (7–130) | 29 (7–130) | 22 (9–41) | <0.001 |
-Unknown, n (%) | 11 (5) | – | ||
Pathological tumor diameter (mm), median (range) | 28 (1–90) | 28 (1–90) | – |