Table 1.
Patient Demographic and Clinical Characteristics
| Characteristic | Segmentectomy (n = 312) |
Lobectomy (n = 312) |
P | ||
|---|---|---|---|---|---|
| No. of Patients | % | No. of Patients | % | ||
| Age, years | |||||
| Mean | 68.5 | 68.4 | .88 | ||
| SD | 9.2 | 9.2 | |||
| Sex | .75 | ||||
| Male | 139 | 144 | |||
| Female | 173 | 168 | |||
| Comorbidities | |||||
| HTN | 165 | 52.9 | 152 | 48.7 | .34 |
| DM | 57 | 18.3 | 44 | 14.1 | .19 |
| COPD | 103 | 33.0 | 105 | 33.7 | .93 |
| Previous cancer | 77 | 24.7 | 71 | 22.8 | .64 |
| Smoking status | 1.00 | ||||
| Ever | 290 | 92.9 | 290 | 92.9 | |
| Never | 22 | 7.1 | 22 | 7.1 | |
| PFTs: FEV1, % | .68 | ||||
| Mean | 77.8 | 75.1 | |||
| SD | 22.5 | 19.7 | |||
| Histology | |||||
| Adenocarcinoma | 177 | 56.7 | 183 | 58.7 | .69 |
| Squamous | 89 | 28.5 | 97 | 31.1 | .54 |
| Tumor size, cm | .88 | ||||
| Mean | 2.2 | 2.2 | |||
| SD | 1.0 | 1.1 | |||
| Tumor stage | .44 | ||||
| IA | 248 | 239 | |||
| IB | 64 | 73 | |||
| Follow-up time, years | 5.3 | 5.4 | .86 | ||
Abbreviations: COPD, chronic obstructive pulmonary disease; DM, diabetes mellitus; FEV1, forced expiratory volume in 1 second; HTN, hypertension; PFTs, pulmonary function tests; SD, standard deviation.