Table 3 Univariate analysis of patient characteristics between the postanesthetic shivering (PAS) group and non-postanesthetic shivering (non-PAS) group
PAS group (n = 30) | Non-PAS group (n = 111) | p value | |
|---|---|---|---|
Age (year) | 41 ± 9 (24-67) | 51 ± 13 (21-84) | < 0.001 |
Body mass index (kg/m2) | 23.3 ± 3.9 (17.4-36.0) | 23.8 ± 5.0 (16.0-46.1) | 0.774 |
Co-morbidities | |||
Hypertension | 4 (13.3) | 22 (19.8) | 0.416 |
Diabetes mellitus | 1 (3.3) | 7 (6.3) | 0.532 |
Bronchial asthma | 4 (3.3) | 15 (13.5) | 0.195 |
Malignancy | 13 (43.3) | 57 (51.3) | 0.976 |
Operation time (min) | 166 ± 75 (75-356) | 137 ± 49 (47-319) | 0.096 |
Anesthesia time (min) | 233 ± 92 (114-458) | 198 ± 54 (103-381) | 0.103 |
Blood loss (g) | 723 ± 837 (10-3519) | 376 ± 418 (5-2316) | 0.093 |
Fluid infusion (ml/kg/h) | 8.8 ± 2.9 (3.6-14.2) | 9.0 ± 3.2 (3.4-16.7) | 0.924 |
Fentanyl dosage (μg/kg) | 4.2 ± 1.8 (1.6-9.8) | 4.7 ± 1.7 (0.9-10.9) | 0.273 |
Remifentanil dosage (mg) | 2.4 ± 1.2 (0.8-6.0) | 1.8 ± 0.8 (0.8-6.0) | 0.015 |
Body temperature (°C) | |||
Highest body temperature | 36.8 ± 0.3 (36.3-37.4) | 36.8 ± 0.4 (35.8-38.0) | 0.635 |
Lowest body temperature | 36.2 ± 0.5 (35.1-37.0) | 36.3 ± 0.4 (35.1-37.3) | 0.549 |
Epidural analgesia | 29 (96.7) | 98 (88.3) | 0.173 |
Flurbiprofen axetil | 2 (6.7) | 29 (26.1) | 0.022 |