Table 2 Baseline characteristics of patients
Characteristics | All patients (n = 228) | Type I (n = 66) | Type II (n = 123) | Type III (n = 16) | Type IV (n = 23) |
|---|---|---|---|---|---|
Age (years) | |||||
Mean | 60.46 ± 9.50 | 61.64 ± 7.75 | 59.27 ± 10.47 | 58.75 ± 6.93 | 65.21 ± 8.39 50– |
Range | 30–83 | 42–80 | 30–81 | 49–72 | 83 |
Sex | |||||
Male | 100 (43.9%) | 34 (51.5%) | 50 (40.7%) | 11 (68.8%) | 5 (21.7%) |
Female | 128 (56.1%) | 32 (48.5%) | 73 (59.3%) | 5 (31.2%) | 18 (78.3%) |
Smoking | |||||
Smokers | 105 (46.0%) | 45 (68.2%) | 39 (31.7%) | 8 (50.0%) | 10 (43.5%) |
Nonsmokers | 123 (54.0%) | 21 (31.8%) | 84 (68.3%) | 8 (50.0%) | 13 (56.5%) |
Diagnostic method | |||||
Surgical resection | 202 (88.6%) | 51 (77.3%) | 112 (91.1%) | 16 (100%) | 23 (100%) |
Fibroscopic bronchoscopy | 15 (6.6%) | 12 (18.2%) | 3 (2.4%) | 0 (0) | 0 (0) |
Puncture biopsy | 10 (4.4%) | 2 (3%) | 8 (6.5%) | 0 (0) | 0 (0) |
Cytology | 1 (0.4%) | 1 (1.5%) | 0 (0) | 0 (0) | 0 (0) |
Number of CT scans | |||||
Two | 133 (58.3%) | 37 (56.1%) | 72 (58.5%) | 10 (62.5%) | 14 (60.9%) |
Three | 61 (26.8%) | 19 (28.8%) | 31 (25.2%) | 4 (25.0%) | 7 (30.4%) |
Four | 20 (8.7%) | 8 (12.1%) | 9 (7.3%) | 1 (6.25%) | 2 (8.7%) |
Five | 8 (3.5%) | 1 (1.5%) | 6 (4.9%) | 1 (6.25%) | 0 (0) |
Six | 4 (17.5%) | 0 (0) | 4 (3.3%) | 0 (0) | 0 (0) |
Seven | 1 (0.4%) | 0 (0) | 1 (0.8%) | 0 (0) | 0 (0) |
Eight | 1 (0.4%) | 1 (1.5%) | 0 (0) | 0 (0) | 0 (0) |
Tumor size (mm) | |||||
Initial CT scan | 24.37 ± 9.29 | 15.01 ± 7.46 | 12.37 ± 5.15 | 31.68 ± 12.03 | 38.4 ± 12.5 |
Last CT scan before therapy | 29.43 ± 12.1 | 19.87 ± 8.2 | 15.25 ± 6.34 | 33.4 ± 12.26 | 49.2 ± 21.6 |