Table 1. Clinical Details of Patients.
| Variable | UKA patient (n = 1,075) |
|---|---|
| Demographic variable | |
| Age (yr) | 62.6 ± 8.5 |
| Female | 809 (75) |
| Chinese | 943 (88) |
| Malay | 75 (7) |
| Indian | 57 (5) |
| Highest level of education with at least high school education | 449 (42) |
| Osteoarthritis-related variable | |
| Flexion range (°) | 128 ± 15 |
| Alignment (°) | 5 ± 3 varus |
| Knee Society Knee Score | 47 ± 17 |
| Knee Society Function Score | 60 ± 17 |
| Oxford Knee Score | 32 ± 8 |
| SF-36 Physical Component Score | 49 ± 19 |
| SF-36 Mental Component Score | 49 ± 12 |
| No. of comorbidities | |
| 0 | 258 (24) |
| 1 | 451 (42) |
| 2 | 301 (28) |
| 3 | 65 (6) |
| Perioperative details | |
| Tourniquet time (min) | 78 ± 16 |
| Regional anaesthesia | 602 (56) |
| Days to ambulation | 1.2 ± 1.3 |
| Follow-up (yr) | 5.2 ± 0.4 |
| Anthropometric measurement | |
| Body mass index (kg/m2) | 27.0 ± 4.3 |
| Health service utilization | |
| Hospital length of stay (day) | 4.1 ± 1.9 |
| Discharge directly home | 933 (87) |
Values are presented as mean ± standard deviation or number (%).
UKA: unicompartmental knee arthroplasty, SF-36: Short Form 36.