Table 1 Patient characteristics by the results of the Master’s double two-step test
Factors | Complete MDT, n = 365 | Incomplete MDT, n = 53 | p value |
|---|---|---|---|
n (%) or median (IQR) | |||
Gender, n (%) | |||
Male | 193 (52.9) | 31 (58.5) | 0.443 |
Female | 172 (47.1) | 22 (41.5) | |
Age (IQR), years | 68 (61–73) | 75 (68–81) | < 0.001 |
Smoking status, n (%) | |||
Smoker | 200 (54.8) | 32 (60.4) | 0.443 |
Non-smoker | 165 (45.2) | 21 (39.6) | |
Charlson comorbidity index, median (IQR) | 0 (0–2) | 0 (0–2) | 0.076 |
Performance status, n (%) | |||
0 | 363 (99.7) | 51 (96.2) | 0.044 |
1, 2 | 1 (0.3) | 2 (3.8) | |
CEA, median (IQR), (ng/ml) | 2.5 (1.6–3.9) | 2.9 (2.1–4.0) | 0.663 |
SUV max, median (IQR) | 2.9 (1.5–5.2) | 3.9 (2.2–9.0) | < 0.001 |
FVC, median (IQR), L | 3.17 (2.66–3.75) | 2.74 (2.30–3.67) | 0.013 |
%FVC, median (IQR), % | 108.7 (99.2–119.5) | 104.0 (92.1–112.5) | 0.006 |
FEV1 median (IQR), L | 2.29 (1.92–2.76) | 1.89 (1.62–2.42) | < 0.001 |
FEV1% median (IQR), % | 74.7 (67.7–79.8) | 69.6 (65.9–75.2) | 0.009 |
Body mass index, median (IQR), kg/m2 | 22.8 (20.8–24.8) | 21.6 (19.6–24.8) | 0.458 |
PaO2 median (IQR), mmHg | 84.4 (77.4–91.0) | 81.6 (75.0–90.4) | 0.091 |
PaCO2 median (IQR), mmHg | 39.3 (37.2–42.0) | 38.1 (35.7–40.5) | 0.007 |
Histological type, n (%) | 0.005 | ||
Adenocarcinoma | 299 (81.9) | 34 (64.2) | |
Non-adenocarcinoma | 66 (18.1) | 85 (20.3) | |
Pathological stage, n (%) | |||
0 | 22 (6.0) | 1 (1.9) | 0.045 |
IA1 | 140 (38.4) | 16 (30.2) | |
IA2 | 126 (34.5) | 16 (30.2) | |
IA3 | 77 (21.1) | 20 (37.7) | |
Invasive component size, median (IQR), cm | 1.2 (0.5–1.8) | 1.7 (0.8–2.4) | 0.011 |
Lymphatic invasion positive, n (%) | 12 (3.3) | 2 (3.8) | 0.694 |
Vascular invasion positive, n (%) | 18 (4.9) | 1 (1.9) | 0.490 |
STAS positive, n (%) | 57 (15.8) | 12 (22.6) | 0.224 |