Table 2.
Intraoperative and Postoperative Outcomes
| Variable | Upper-warming group | Lower-warming group | Odds ratio (95% CI) | P value |
|---|---|---|---|---|
| Intraoperative variables | (n = 58) | (n = 58) | ||
| Intraoperative hypothermia | 32 (55.2) | 44 (75.9) | 0.392 (0.177, 0.866) | 0.019 |
| Severity of intraoperative hypothermia | 0.018 | |||
| Mild (35.5–36.0°C) | 20 (34.5) | 21 (36.2) | ||
| Moderate (35.0–35.4°C) | 8 (13.8) | 9 (15.5) | ||
| Severe (34.5–34.9°C) | 3 (5.2) | 10 (17.2) | ||
| Very severe (< 34.5°C) | 0 (0.0) | 4 (6.9) | ||
| Duration of intraoperative hypothermia (min) | 20.0 (0, 112.5) | 102.5 (11.3, 186.3) | 0.005 | |
| Blood loss (ml) | 150 (93, 320) | 200 (100, 400) | 0.241 | |
| Transfusion (n) | 0 | 2 (3.4) | 0.496 | |
| Objective PACU variables | (n = 56) | (n = 57) | ||
| PACU hypothermia | 12 (21.4) | 28 (49.1) | 0.282 (0.124, 0.643) | 0.002 |
| Shivering score (0/1/2) | 53/3/0 | 53/4/0 | 1.000 | |
| LOS at PACU (min) | 37 (34.3, 45.0) | 40 (34.0, 47.5) | 0.296 | |
| Subjective PACU variables | (n = 55) | (n = 56) | ||
| Highest TCS | 50 (50, 50) | 50 (50, 50) | 0.808 | |
| Lowest TCS | 50 (50, 50) | 50 (50, 50) | 0.073 | |
| Patient satisfaction (4/3/2) | 32/21/2 | 29/22/5 | 0.485 |
Values are presented as median (Q1, Q3) as appropriate for continuous data or numbers (%) for categorical data. Hypothermia was defined as a reduction in body temperature to < 36.0°C. TCS: thermal comfort scale, LOS: length of stay, PACU: post-anesthesia care unit.