Table 1.
Clinical characteristics of the VBPP and CT group.
| Variables | VBPP n = 62 (%) |
CT n = 54 (%) |
p-Value |
|---|---|---|---|
| Gender | |||
| Male | 48 (77.4) | 38 (70.4) | |
| Female | 14 (22.6) | 16 (29.6) | 0.376 |
| Smoking status | |||
| Smokers (current and past) | 19 (30.6) | 8 (14.8) | |
| Non-smokers | 43 (69.4) | 46 (85.2) | 0.028 * |
| Pneumothorax size (cm) | |||
| Initial size at presentation (mean) | 13.4 | 13.9 | 0.778 |
| Collins < 4 cm (n) | 13 (21.0) | 9 (16.7) | |
| Collins ≥ 4 cm (n) | 47 (75.8) | 42 (77.8) | |
| Missing (n) | 2 (3.2) | 3 (5.5) | 0.527 |
| Age (y) | |||
| Median (Mean) | 23 (24.6) | 24.(25.3) | 0.537 |
| Height (m) | |||
| Median (Mean) | 1.8 (1.8) | 1.8 (1.8) | 1.000 |
| Weight (kg) | |||
| Median (Mean) | 64.5 (67.1) | 70 (68.6) | 0.332 |
| BMI (kg/m2) | |||
| Median (Mean) | 20.5 (20.7) | 21.4 (21.0) | 0.348 |
| Length of hospital stay (LOS) (days) | |||
| Mean (range) | 6.1 (3−13) | 4.8 (2−7) | <0.001 * |
| Days until operation | |||
| Mean (range) | 4.1 (0−11) | / | / |
| Operation time (min) | |||
| Mean (range) | 79.4 (45–130) | / | / |
| Chest tube duration (days) | |||
| Mean (range) | 5.5 (3−8) | 5.2 (2−6) | 0.836 |
| Time until recurrence (months) | |||
| Mean (range) | 59 (6−110) | 9.6 (2−26) | <0.001 * |
| Complications (n) | |||
| Hemothorax | 3 (4.8) | 0 (0.0%) | 0.103 |
| Prolonged air leak after surgery | 24 (38.7) | / | / |
Data are presented as mean, median, numbers (n) and percentages, BMI, body mass index; kg, kilogram; LOS, length of hospital stay; CT, chest tube; min, minutes; VBPP, VATS bullectomy with partial pleurectomy; m, meter; cm, centimeter; y, years. * p-value < 0.05 indicates statistical significance.