Table 1 Baseline Characteristics of Patients with Stage IA Invasive Mucinous Adenocarcinoma of Shanghai Pulmonary Hospital Cohort
Variables | Surgical procedures | ||
|---|---|---|---|
Lobectomy (%) | Limited resection (%) | p | |
(N = 316) | (N = 87) | ||
Age | 0.156 | ||
Mean ± SD | 59.1 ± 10.3 | 60.9 ± 10.3 | |
≤ 65 | 229 (72.5) | 60 (69.0) | |
> 65 | 87 (27.5) | 27 (31.0) | |
Sex | 0.149 | ||
Male | 121 (38.3) | 26 (29.9) | |
Female | 195 (61.7) | 61 (70.1) | |
Smoking | 0.626 | ||
Non-smoker | 258 (81.6) | 73 (83.9) | |
Smoker | 58 (18.4) | 14 (16.1) | |
Tumor location | 0.530 | ||
Upper and middle | 128 (40.5) | 32 (36.8) | |
Lower | 188 (59.5) | 55 (63.2) | |
Tumor size, radiological | 0.014 | ||
≤ 2 cm | 199 (63.0) | 67 (77.0) | |
2.1–3 cm | 117 (37.0) | 20 (23.0) | |
%predicted FEV1 | 0.103 | ||
Mean ± SD | 81.4 ± 2.9 | 80.8 ± 3.4 | |
CEA | 0.432 | ||
≤ 5 ng/ml | 252 (79.7) | 66 (75.9) | |
> 5 ng/ml | 64 (20.3) | 21 (24.1) | |
Cardiovascular disease | 0.083 | ||
Absent | 283 (89.6) | 72 (82.8) | |
Present | 33 (10.4) | 15 (16.1) | |
Diabetes mellitus | 0.103 | ||
Absent | 276 (87.3) | 70 (80.5) | |
Present | 40 (12.7) | 17 (19.5) | |
VPI | 0.141 | ||
Absent | 263 (83.2) | 78 (89.7) | |
Present | 53 (16.8) | 9 (10.3) | |
LN status | 0.771 | ||
Negative | 299 (94.6) | 83 (95.4) | |
Positive | 17 (5.4) | 4 (4.6) | |