Table 1.
Demographic characteristics of patients used in this study
| Item | Group A (n = 39) | Group B (n = 54) | t/χ2 | P Value |
|---|---|---|---|---|
| Age (years) | 64.9 ± 7.7 | 64.2 ± 6.4 | 0.492 | 0.624 |
| Gender (male/female) | 6:33 | 5:49 | 0.333 | 0.564 |
| Weight (kg) | 62.8 ± 4.3 | 61.9 ± 4.8 | 0.955 | 0.342 |
| Height (cm) | 162.6 ± 6.4 | 162.5 ± 6.5 | 0.057 | 0.955 |
| BMI (kg/m2) | 23.9 ± 2.5 | 23.5 ± 2.6 | 0.583 | 0.561 |
| ASA class | 2.1 ± 0.5 | 2.1 ± 0.5 | 0.012 | 0.990 |
| Comorbidity(n, %) | 14 (35.9%) | 26 (48.1%) | 1.387 | 0.239 |
| Hypertension | 7 | 11 | ||
| CAOD | 3 | 4 | ||
| Arrhythmia | 0 | 1 | ||
| Pulmonary disease | 1 | 2 | ||
| Diabetes mellitus | 3 | 7 | ||
| CKD | 0 | 0 | ||
| CVA | 0 | 1 |
Abbreviations: BMI body mass index, ASA American Society of Anesthesiologists, CAOD coronary artery obstructive disease, CKD chronic kidney disease, CVA cerebral vascular accident, KS knee society score