Table 1.
Patients’ preoperative baseline characteristics.
| HAL group | Control group | ||
|---|---|---|---|
| Characteristics | 9 Patients (10 Knees) | 9 Patients (9 Knees) | P value |
| Age | 74.1 ± 5.7 | 76.4 ± 7.6 | .454 |
| Sex (Male/Female) | 1/8 | 1/8 | 1 |
| Weight (kg) | 61.2 ± 8.9 | 59.3 ± 11.0 | .685 |
| Height (cm) | 150.4 ± 6.5 | 147.5 ± 8.3 | .399 |
| BMI (kg/m2) | 27.1 ± 3.9 | 27.4 ± 5.3 | .887 |
| Disease (OA/RA) | 8/2 | 9/0 | |
| TKA operated side (R/L) | 6/4 | 4/5 | .656 |
Values are expressed as numbers or as mean ± SD. Student’s t-test was used for the statistical test. BMI: body mass index; OA: osteoarthritis; RA: rheumatoid arthritis; TKA: total knee arthroplasty; SD: standard deviation.