Variable | Data |
Age (y) | 63.03 ± 10.01 |
Sex (M/F) | 134 (54.0%)/114 (46.0%) |
FEV1 (%)/FVC (%) | 97.32 ± 26.86/88.81 ± 23.55 |
Smoking history (pack-years) | 14.79 ± 25.83 |
Dissected lymph nodes | 21.50 ± 9.38 |
T stage | |
≤2 cm | 129 (52.0%) |
2–3 cm | 119 (48.0%) |
Postoperative morbidity | 17 (6.8%) |
Postoperative mortality | 0 |
Pathologic findings | |
Adenocarcinoma | 197 (79.4%) |
Nonadenocarcinoma | 51 (20.6%) |
Differentiation | |
Well differentiated | 188 (75.8%) |
Moderately differentiated | 41 (16.5%) |
Poorly differentiated | 19 (7.7%) |
Lymphovascular invasion | 24 (9.6%) |
Qualitative data are expressed as numbers, followed by percentages in parentheses; continuous data are expressed as mean ± SD.
FEV1 = forced expiratory volume at end of first second; FVC = forced vital capacity.