Table 3 Logistic regression analysis of postoperative outcomes of surgery
Outcome | All study (N = 62) | Drain (n = 31) | No drain (n = 31) | Unadjusted | Adjusted for significant variables at unadjusted analysis | ||||
|---|---|---|---|---|---|---|---|---|---|
OR | 95 % CI | αP value | aOR | 95 % CI | αP value | ||||
Primary endpoints | |||||||||
aPleural separation (48 h) | |||||||||
≤ 30 mm | 61 (98.4) | 31 (100) | 30 (96.7) | – | – | 1.000 | – | – | – |
> 30 mm | 1 (1.6) | 0 (0.0) | 1 (3.3) | 1.0 | |||||
aSurgical wound infection | |||||||||
No | 57 (91.9) | 26 (83.8) | 31 (100) | – | – | 0.053 | – | – | – |
Yes | 5 (8.1) | 5 (16.2) | 0 (0) | ||||||
Oxygen amount (L/min) | |||||||||
≤ 1 | 43 (69.4) | 18 (58.1) | 25 (80.7) | 0.33 | 0.11–1.04 | 0.059 | 0.25 | 0.06–1.04 | 0.057 |
> 1 | 19 (30.6) | 13 (41.9) | 6 (19.3) | 1.0 | |||||
Combined primary endpoint | |||||||||
Favorable | 45 (72.5) | 18 (58.1) | 27 (87.1) | 0.21 | 0.06–0.73 | 0.015 | 0.07 | 0.00–2.50 | 0.144 |
Unfavorable | 17 (27.5) | 13 (41.9) | 4 (12.9) | 1.0 | |||||
Secondary endpoint | |||||||||
ICU stay (hours) | |||||||||
≤ 24 | 56 (90.3) | 27 (87.1) | 29 (93.5) | 0.47 | 0.08–2.75 | 0.399 | – | – | – |
> 24 | 6 (9.7) | 4 (12.9) | 2 (6.5) | 1.0 | |||||