Table 2 Intraoperative Characteristics of Patients in Two Study Groups
Variable Name | Passive Warming Group (n = 32) | Active Warming Group (n = 30) | p Value |
|---|---|---|---|
Core temperature (tympanic membranes) | |||
< 36.00C, N (%) < 36.00C, N (%) | 23 (71.8) | 0 (0.0) | 0.0000 |
< 35.50C, N (%) < 35.50C, N (%) | 12 (37.5) | 0 (0.0) | 0.0001 |
< 35.00C, N (%) < 35.00C, N (%) | 3 (9.4) | 0 (0.0) | 0.2384 |
Blood loss, mean ± std (ml) | |||
Total blood loss | 681.5 ± 425.8 | 464.0 ± 324.1 | 0.0207 |
Hip repacement | 1035.4 ± 491.4 | 713.5 ± 341.4 | |
Thoracic surgery | 469.2 ± 171.7 | 311.5 ± 199.0 | |
Blood transfusion | |||
Transfused patient, N (%) | 11 (34.4) | 9 (30.0) | 0.7124 |
Volume, mean ± std (ml) | 223.3 ± 351.0 | 137.1 ± 293.9 | 0.3008 |
Reduction of hemoglobin, mean ± std (g/L) | 28.6 ± 17.5 | 21.0 ± 9.9 | 0.0452 |
Platelet | |||
Preoperative, mean ± std (109/L) | 210.6 ± 59.9 | 212.8 ± 40.0 | 0.8699 |
Postoperative, mean ± std (109/L) | 177.9 ± 50.6 | 177.8 ± 40.4 | 0.8839 |
Prothromin Time (PT) | |||
Preoperative, mean ± std (s) | 11.6 ± 0.88 | 11.3 ± 0.58 | 0.0439 |
Postoperative, mean ± std (s) | 12.7 ± 0.9 | 12.6 ± 0.6 | 0.4158 |
International Normalized Ratio (INR) | |||
Preoperative, mean ± std | 1.0 ± 0.1 | 1.0 ± 0.1 | 0.0623 |
Postoperative, mean ± std | 1.1 ± 0.1 | 1.0 ± 0.1 | 0.0815 |
Fibrinogen | |||
Preoperative, mean ± std (g/L) | 3.4 ± 0.8 | 3.2 ± 0.9 | 0.3367 |
Postoperative, mean ± std (g/L) | 3.3 ± 0.8 | 3.8 ± 1.4 | 0.1247 |
Duration of surgery, mean ± std (min) | 301.7 ± 98.4 | 248.3 ± 118.8 | 0.0579 |
Ambient temperature, mean ± std (°C) | 21.1 ± 1.2 | 21.1 ± 1.2 | 0.9655 |
Intravenous fluid, mean ± std (ml) | 2883.1 ± 1037.1 | 2652.3 ± 1048.7 | 0.3872 |
Urine output, mean ± std (ml) | 948.4 ± 827.8 | 587.9 ± 603.8 | 0.0603 |
Irrigation fluid, mean ± std (ml) | 3270.3 ± 1187.4 | 2898.2 ± 1315.9 | 0.2542 |