| Group A n = 40 | Group B n = 40 | p Value | |
| Diagnosis/type of pneumothorax | Primary persistent (n = 22) | Primary persistent (n = 27) | |
| Primary recurrent (n = 15) | Primary recurrent (n = 11) | NS† | |
| Secondary recurrent (n = 3) | Secondary recurrent (n = 2) | ||
| Type of surgery | VATS* = 32 | VATS* = 39 | |
| Open surgery 08 | Open surgery 01 | NS† | |
| Admission in referring hospital to referral time | 5.5 days (2–24) | 5 days (2–16) | NS† |
| Referral to transfer time | 78 h (3–148) | 18 h (1.5–120) | <0.001 |
| Transfer to operation time | 42 h (8–230) | 46 h (02–238) | NS† |
| Operation to discharge time | 4.5 days (3–17) | 4 days (2–14) | NS† |
| Admission in referring hospital to discharge time | 15 days (5–29) | 12 days (5–25.5) | <0.001 |
*Video-assisted thoracoscopic surgery. †Not statistically significant.