Table 1 Patient characteristics and the baseline P/F ratio
From: Low tidal volume ventilation with low PEEP during surgery may induce lung inflammation
TV 12 | TV 6 | P-value | |
|---|---|---|---|
Age,yeara | 69 (60/68) | 63 (59/72) | 0.3 |
Gender (male/female)b | 8/3 | 10/4 | 0.94 |
Body weight,kg | 57.5 ± 10.2 | 62.7 ± 10.7 | 0.25 |
Height,cm | 164.5 ± 10.1 | 166.1 ± 6.9 | 0.66 |
Body mass index,kg•m−2 | 21.2 ± 2.7 | 22.6 ± 2.6 | 0.22 |
Operation time, min | 512.8 ± 113.9 | 419 ± 199.3 | 0.23 |
Anesthesia time, min | 606.1 ± 128.0 | 525.2 ± 207.3 | 0.32 |
Blood loss, mL | 852.0 ± 465.0 | 852.0 ± 466.4 | 0.39 |
Baseline P/F ratio | 501.6 ± 23.9 | 435.8 ± 27.6 | 0.09 |
Liver resection amount, % | 38.5 ± 8.8 | 33.0 ± 17.4 | 0.38 |
Pringle maneuver, timesc | 3 (3/5.5) | 4 (3/6) | 0.75 |
Length of hospital stay after operation, days | 12.5 ± 5.6 | 15.2 ± 9.0 | 0.38 |