Table 1 Demographics and results
STM | ITM | p | |
|---|---|---|---|
Number of patients | 19 | 20 | |
Age, yrs (SD) | 84 (3) | 82 (6) | 0.248 |
Height, cm (SD) | 164 (7) | 163 (8) | 0.881 |
Weight, kg (SD) | 75 (15) | 71 (15) | 0.431 |
Male, n (%) | 4 (21) | 5 (25) | 1.000 |
Body surface area, m2 (SD) | 1.8 (0.2) | 1.8 (0.2) | 0.454 |
BMI, kg*m-2 (SD) | 27.9 (5.2) | 26.7 (5.3) | 0.632 |
EURO Score, % (SD) | 26.6 (9.0) | 26.6 (14.1) | 0.993 |
Procedure time, min (SD) | 80 (21) | 74 (16) | 0.329 |
Duration of prewarming, min (median; (IQR)) | none | 25; (15-32.5) | |
Temperature before anesthesia or prewarming, °C (SD) | 36.0 (0.6) | 35.9 (0.4) | 0.66 |
Temperature at begin of scrubbing, °C (SD) | 36.2 (0.6) | 36.6 (0.3) | 0.008 |
Scrubbing time, min (SD) | 36.4 (12.5) | 36.4 (13.4) | 0.99 |
Temperature at start of surgery, °C (SD) | 36.0 (0.6) | 35.9 (0.4) | 0.66 |
Temperature at end of procedure, °C (SD) | 35.6 (0.7) | 36.4 (0.5) | 0.001 |
Temperature at ICU admission, °C (SD) | 35.5 (0.9) | 36.4 (0.7) | 0.001 |
Time until normothermia, min (median; (IQR)) | 150; (0-300) | 0; (0-15) | 0.003 |
Temperature afterdrop, °C (median; (IQR)) | 0.1; (0-0.4) | 0.16; (0.05-0.5) | 0.383 |
Ventilatory assist, hrs (median; (IQR)) | 4.1; (0-7.52) | 0; (0-0) | 0.001 |
Incidence of hypothermia, n (%) | 13 (68) | 5 (25) | 0.0077 |
Extubation in OR, n (%) | 6 (32) | 18 (90) | 0.0002 |