Table 1 Patient demographics
From: Safety and efficacy of resistive polymer versus forced air warming in total joint surgery
Characteristic | Bair Hugger (n = 60) Mean ± Standard Deviation n = frequency, % = percentage | Hot Dog (n = 60) Mean ± Standard Deviation n = frequency, % = percentage | ||
|---|---|---|---|---|
Age (years) | 60.2 ± 11.4 | 63.9 ± 12.7 | ||
Weight (kg) | 84.5 ± 25.8 | 79.5 ± 18.7 | ||
Body Mass Index | 29.5 ± 7.8 | 28.2 ± 6.0 | ||
Operation (hip, knee) | n = 32(53%), n = 28(47%) | n = 32(53%), n = 28(47%) | ||
Anesthesia (spinal, general) | n = 26(43.33%), n = 34(56.67%) | n = 36(60%), n = 24(40%) | ||
OR Time (“wheels in to wheels out”) (minutes) | 171.97 ± 50.72 | 147.07 ± 32.70 | ||
aCut to Close Time | 113.7 ± 45.70 | 87.98 ± 29.04 | ||
bEstimated Blood Loss (milliliters) | 294 ± 253 | 244 ± 236 | ||
American Society of Anesthesiology Score (ASA Class) | Class | n = frequency (% = percentage) | Class | n = frequency (% = percentage) |
1 | n = 3 (5%) | 1 | n = 1(1.67%) | |
2 | n = 24(40%) | 2 | n = 19(31.67%) | |
3 | n = 30(50%) | 3 | n = 38(63.33%) | |
4 | n = 3(5%) | 4 | n = 2(3.33%) | |