Low-Fio2 group (n = 44) | High-Fio2 group (n = 46) | P-value | |
---|---|---|---|
Hemodynamic variables during anesthesia | |||
Heart rate (beats min−1) | 62.2 (57.0–67.4) | 62.5 (57.8–70.3) | 0.214 |
Mean arterial pressure (mmHg) | 88.8 (9.3) | 87.8 (7.8) | 0.586 |
Cardiac index (L min−1 m−2) | 2.5 (2.2–3.3) | 2.5 (2.1–3.0) | 0.457 |
Stroke volume variation (%) | 9.5 (3.9) | 10.8 (3.6) | 0.103 |
Mean Spo2 (%) | 99.9 (99.5–100.0) | 99.8 (99.1–100.0) | 0.154 |
Lowest Spo2 (%) | 99.0 (98.0–100.0) | 98.0 (97.0–100.0) | 0.119 |
Intraoperative desaturation (Spo2 < 95%), n | 3 (6.8%) | 2 (4.3%) | 0.959 |
Respiratory parameters during capnoperitoneum | |||
Minute ventilation (L min−1) | 6.3 (0.9) | 6.4 (1.0) | 0.563 |
Peak inspiratory pressure (cmH2O) | 23.8 (3.6) | 23.3 (3.1) | 0.485 |
Static compliance (ml cmH2O−1) | 29.7 (7.8) | 30.1 (7.3) | 0.776 |
Postoperative outcome variables | |||
Fever within postoperative 24 h (> 38.0 °C), n | 6 (13.6%) | 10 (21.7%) | 0.317 |
Atelectasis on postoperative chest X-ray, n | 4 (9.1%) | 3 (6.5%) | 0.710 |
Length of hospital stay (day) | 3.5 (2.0–5.0) | 5.0 (2.0–6.0) | 0.096 |
In-hospital pulmonary complication, n | 0 (0.0%) | 0 (0.0%) |