Table 1.
The demographic characteristics of patients at the time of enrolment.
| Characteristics | Groups | Comparisons | ||
|---|---|---|---|---|
| CCH | ADH | |||
| Sample size | 129 | 129 | p-Value | |
| Age (year) | 64.82±9.23 | 62.02±11.25 | 0.579 | |
| Gender | Male | 30 (23) | 35 (27) | 0.566 |
| Female | 99 (77) | 94 (73) | ||
| Site of KOA | Left | 61 (47) | 70 (54) | 0.319 |
| Right | 68 (53) | 59 (46) | ||
| BMI (kg/m2) | 27.44±2.4 | 27.62±2.31 | 0.927 | |
| Duration of KOA (year) | <5 | 85 (66) | 81 (63) | 0.417 |
| 5≥ but 10< | 35 (27) | 37 (29) | ||
| ≥10 | 9 (7) | 11 (8) | ||
| Marital status | Married | 121 (94) | 125 (97) | 0.376 |
| Unmarried | 8 (6) | 4 (3) | ||
| Ethnicity | Chinese | 127 (98) | 128 (99) | 0.5 |
| Non-Chines | 2 (2) | 1 (1) | ||
| TUG (sec) | 12.66±1.53 | 12.71±1.61 | 0.88 | |
| SLS (sec) | 18.71±1.5 | 18.20±1.49 | 0.971 | |
KOA – knee osteoarthritis. Continuous data were represented as mean ±SD and constant data were represented as a number (percentage). BMI – body mass index. Chi-squared Test for Independence was used for statistical analysis. A p<0.01 was considered as significant. N/A – not applicable; TUG – timed “Up-and-Go”; SLA – single-limb stance test.