Table 1.
Demographics and procedure-related variables of the preconditioning and control groups
| Variable | Preconditioning (n = 30) |
Control (n = 30) |
p value | ||
|---|---|---|---|---|---|
| Number | Percent | Number | Percent | ||
| Sex | |||||
| Male | 11 | 36.7 | 16 | 53.3 | 0.1945 |
| Female | 19 | 63.3 | 14 | 46.7 | |
| ASA | |||||
| 1 | 1 | 3.3 | 1 | 3.3 | 0.8779 |
| 2 | 23 | 76.7 | 21 | 70.0 | |
| 3 | 6 | 20.0 | 8 | 26.7 | |
| Median | IQR | Median | IQR | p value | |
|---|---|---|---|---|---|
| Age (years) | 66.5 | 10.8 | 72.5 | 13.3 | 0.0927 |
| Body mass index (kg/m2) | 26.8 | 5.9 | 28.1 | 7.2 | 0.9062 |
| Intraoperative estimated blood loss (mL) | 200 | 50.0 | 200 | 0.0 | 0.0246 |
| Fluid intake (mL) | 1700 | 500.0 | 1800 | 575.0 | 0.8061 |
| Tourniquet time (minutes) | 47.5 | 13.3 | 54 | 17.5 | 0.0319 |
ASA = American Society of Anesthesiologists; IQR = interquartile range.