| HDE IO (n = 26) | SDE IV (n = 53) | |
| Weight (kg) | 31.0 (3.3) | 32.4 (2.7) |
| Pre-anesthesia time (minutes) | 18.2 (7.0) | 20.0 (4.1) |
| Anesthesia time (minutes) | 26.7 (5.2) | 25.8 (11.4) |
| End tidal carbon dioxide (mmHg) | 40.6 (2.0) | 41.2 (2.8) |
| Temperature (˚C) | 37.7 (0.8) | 37.6 (0.9) |
| Mean arterial pressure (mmHg) | 94.8 (15.5) | 108.0 (13.4) |
| Heart rate (bpm) | 115.8 (17.7) | 122.6 (18.9) |
| Blood glucose (mg/dL) | 100.3 (44.2) | 92.7 (23.2) |
| Sodium (mEq/L) | 139.9 (1.9) | 139.5 (1.7) |
| Potassium (mEq/L) | 4.0 (0.3) | 4.0 (0.4) |
| Ionized calcium (mmol/L) | 1.36 (0.07) | 1.38 (0.06) |
| Hematocrit (%) | 26.7 (4.1) | 27.7 (2.4) |
| pH (units) | 7.51 (0.04) | 7.49 (0.04) |
| Partial pressure of carbon dioxide (mmHg) | 37.3 (3.0) | 40.1 (3.3) |
| Partial pressure of oxygen (mmHg) | 89.5 (12.2) | 88.5 (10.1) |
| All values are group means (Standard Deviation). | ||