Table 1.
Preoperative characteristics of patients who underwent TKA with or without a tourniquet.
| Preoperative characteristics | With tourniquet | No tourniquet | P value |
|---|---|---|---|
| Ageb(y) | 65.6 (8.1) | 67.7 (10.0) | .2 |
| Sexa | .56 | ||
| Male | 25 | 22 | |
| Female | 35 | 38 | |
| BMIb (Kg/m2) | 33.1 (5.2) | 32.9 (5.3) | .80 |
| Hemoglobinb (G/dL) | 13.4 (1.4) | 13.6 (1.5) | .54 |
| Hematocritc (%) | 40.6 (20) | 39.6 (20.7) | .25 |
| ASAa | 1: 0 | 1: 1 | .13 |
| 2: 28 | 2: 37 | ||
| 3: 32 | 3: 22 |
ASA, American Society of Anesthesiologists; BMI, body mass index.
a
Data in which significance was determined with independent t-test and recorded as mean ± 1 standard deviation.
b
Data in which significance was determined with chi-square test.
c
Data in which significance was determined with Mann-Whitney U test and recorded as the median.