Table 2. Changes in Hemodynamic and Arterial Blood Gas Variables.
| Deep group (n = 21) | Light group (n = 21) | ||
|---|---|---|---|
| MAP (mmHg) | T0 | 102.8 ± 14.2 | 103.4 ± 14.3 |
| T1 | 89.7 ± 9.2*,† | 96.4 ± 10.6 | |
| T2 | 98.8 ± 11.9§ | 91.3 ± 12.3† | |
| Heart rate (beats/min) | T0 | 85.3 ± 16.7* | 74.0 ± 8.7 |
| T1 | 73.3 ± 14.3† | 75.5 ± 15.9 | |
| T2 | 83.2 ± 15.2‡ | 84.9 ± 13.9†,‡ | |
| PaCO2 (mmHg) | T0 | 39.6 ± 4.2 | 39.2 ± 2.5 |
| T1 | 41.6 ± 5.8 | 42.0 ± 6.4 | |
| T2 | 40.2 ± 4.5 | 39.6 ± 6.5 | |
| PaO2/FIO2 (mmHg) | T0 | 464.4 ± 76.4 | 453.6 ± 117.3 |
| T1 | 185.8 ± 64.3† | 181.4 ± 46.9† | |
| T2 | 404.2 ± 175.2‡ | 418.6 ± 180.1‡ |
Data are presented as means ± SDs. MAP: Mean arterial pressure, T0: before induction of anesthesia, T1: end of surgery, T2: 2 hours after surgery. *P < 0.05 between the two groups, †P < 0.01 compared with T0 within group, ‡,§P < 0.01 and < 0.05, respectively, compared with T1 within group.