Table 2.
Operative outcomes of the single-port VATS and three-port VATS groups
| Variable | Single-port VATS, overall (n=19) | Single-port VATS, emphysema patients (n=15) | Three-port VATS, emphysema patients (n=15) | p-valuea) |
|---|---|---|---|---|
| Age (yr) | 49.8±17.9 | 54.9±15.7 | 65.8±4.8 | 0.056 |
| Smoking history (pack-year) | 19.2±19.4 | 24.3±18.7 | 35.9±22.1 | 0.161 |
| Operation time (min) | 84.0 (77.0–103.0) | 84.0 (77.0–103.0) | 114.0 (98.0–151.0) | 0.023 |
| No. of wedge resections | 1.0 (1.0–2.0) | 1.0 (1.0–1.0) | 1.0 (1.0–1.0) | 0.539 |
| Chest tube drainage (day) | 1.0 (1.0–2.0) | 1.0 (1.0–2.0) | 2.0 (2.0–4.0) | 0.045 |
| Hospital stay (day) | 2.0 (2.0–2.0) | 2.0 (2.0–2.0) | 3.0 (2.0–5.0) | 0.029 |
| Postoperative complications | 3 | 3 | 0 | 0.539 |
| Prolonged chest tube drainage (>5 day) | 1 | 1 | 1 | |
| Wound infection | 1 | 1 | 0 | |
| Vocal fold palsy | 1 | 1 | 0 | |
| Pain score | ||||
| Postoperative day 0 | 4.0 (3.0–5.0) | 4.0 (3.0–5.0) | 4.0 (2.0–6.0) | 0.935 |
| Postoperative day 1 | 3.0 (3.0–4.0) | 3.0 (2.0–3.0) | 3.0 (2.0–4.0) | 0.713 |
| Recurrence | 0 | 0 | 0 | 1.000 |
Values are reported as mean±standard deviation or as median (interquartile range).
VATS, video-assisted thoracic surgery.
a)
Obtained by comparing the outcomes of single-port VATS (n=15) with three-port VATS (n=15) in the subgroup of patients whose etiology was emphysema.