Table 1. Baseline information.
| Variable | Uniportal (n=33) | Multiportal (n=18) | P value |
|---|---|---|---|
| Age (year), mean ± SD | 61.3±11.8 | 63.3±6.72 | 0.501 |
| Sex, n (%) | |||
| Female | 20 (60.9) | 12 (66.7) | |
| Male | 13 (39.4) | 6 (33.3) | |
| BMI (kg/m2), mean ± SD | 23.8±3.9 | 23.3±2.6 | 0.630 |
| Smoking status, n (%) | 0.645 | ||
| Never | 29 (87.9) | 17 (94.4) | |
| Former/current | 4 (12.1) | 1 (5.6) | |
| Presentation, n (%) | 0.102 | ||
| Asymptomatic | 16 (48.5) | 13 (77.2) | |
| Symptomatic | 17 (51.5) | 5 (27.8) | |
| No. of preoperative comorbidity, n (%) | 0.628 | ||
| 0 | 24 (72.7) | 12 (66.7) | |
| 1 | 5 (15.2) | 5 (27.8) | |
| 2 | 3 (9.1) | 1 (5.6) | |
| 3 | 1 (3.0) | 0 | |
| Diabetes mellitus, n (%) | 3 (9.1) | 1 (5.6) | |
| Hypertension, n (%) | 7 (21.2) | 6 (33.3) | |
| CAD, n (%) | 2 (6.1) | 0 | |
| Arrhythmia, n (%) | 2 (6.1) | 0 | |
| Tumor location, n (%) | 0.405 | ||
| LUL | 8 (24.2) | 4 (22.2) | |
| LLL | 6 (18.2) | 6 (33.3) | |
| RUL | 8 (24.2) | 6 (33.3) | |
| RML | 2 (6.1) | 0 | |
| RLL | 9 (27.3) | 2 (11.1) |
SD, standard deviation; BMI, body mass index; CAD, coronary artery disease; LUL, left upper lobe; LLL, left lower lobe; RUL, right upper lobe; RML, right middle lobe; RLL, right lower lobe.