Table 1.
The frequency distribution of qualitative variables.
| Variables | Total, n (%) | Hypothermia group (n = 638), n (%) | Non-hypothermia group (n = 678), n (%) |
|---|---|---|---|
| Gender | |||
| Male, | 1112 (84.5 %) | 490 (76.8 %) | 622 (91.7 %) |
| Female | 204 (15.5 %) | 148 (23.2 %) | 56 (8.3 %) |
| Alcohol | |||
| Yes | 186 (14.1 %) | 80 (12.5 %) | 106 (15.6 %) |
| Cigarette | |||
| Yes | 208 (15.8 %) | 78 (12.2 %) | 130 (19.2 %) |
| Impaired coagulation | |||
| Yes | 168 (12.8 %) | 146 (22.9 %) | 22 (3.2 %) |
| Liver disease | |||
| Yes | 198 (15 %) | 176 (27.6 %) | 22 (3.2 %) |
| Lung disease | |||
| Yes | 198 (15 %) | 166 (26 %) | 32 (4.7 %) |
| Neurological disease | |||
| Yes | 170 (12.9 %) | 148 (23.2 %) | 22 (3.2 %) |
| Heart disease | |||
| Yes | 200 (15.2 %) | 178 (27.9 %) | 22 (3.2 %) |
| Upper airway dysfunction | |||
| Yes | 190 (14.4 %) | 168 (26.3 %) | 22 (3.2 %) |
| Kidney disease | |||
| Yes | 178 (13.5 %) | 156 (24.5 %) | 22 (3.2 %) |
| Surgery type | |||
| Urgent | 304 (23.1 %) | 160 (25.1 %) | 144 (21.2 %) |
| Elective | 1000 (76 %) | 476 (74.6 %) | 524 (77.3 %) |
| ASA Classification | |||
| 1 | 420 (31.9 %) | 158 (24.8 %) | 262 (38.6 %) |
| 2 | 552 (41.9 %) | 200 (31.3 %) | 352 (51.9 %) |
| 3 | 342 (26 %) | 280 (43.9 %) | 62 (9.1 %) |
| 11 | 2 (0.2 %) | 0 (0 %) | 2 (3 %) |
| Temperature Pre surgery | |||
| Temp >35.5 | 1316 (100 %) | – | – |
| Temp <35.5 | 0 (0 %) | ||
| Temperature Post surgery | |||
| Total | 1316 (100 %) | 638 (48.5 %) | 678 (51.5 %) |
Data are presented as n/N (percent).
Abbreviation: ASA: American Society of Anesthesiologists, SD, standard deviation.