Table 1 Characteristics of participants with KOA
Characteristics | Completed data of the first and second tests (n = 158) | Data of ≤ 2 cm VAS difference between the first and second tests (n = 128) |
|---|---|---|
Age (years) | ||
Mean ± SD | 55.28 ± 12.41 | 55.57 ± 13.21 |
Range | 28 - 86 | 28 - 86 |
Gender (%) | ||
Male | 60 (38%) | 52 (40.6%) |
Female | 98 (62%) | 76 (59.4%) |
Height (cm) | 161.70 ± 8.39 | 162.27 ± 8.76 |
Weight (kg) | 58.02 ± 9.67 | 59.03 ± 9.42 |
BMI (kg/m 2 ) | 22.17 ± 3.18 | 22.40 ± 2.99 |
VAS (average ± SD) | ||
First assessment | 6.15 ± 2.25 | 5.91 ± 2.26 |
Second assessment | 5.46 ± 2.02 | 5.33 ± 2.11 |
Education level | ||
Primary school | 61 (38.6%) | 50 (39.1%) |
Junior middle school | 61 (38.6.5) | 48 (37.5%) |
Technical secondary school | 6 (3.8%) | 8 (6.3%) |
Junior college | 10 (6.3%) | 3 (2.3%) |
Bachelor’s degree | 10 (6.3%) | 9 (7.0%) |
Master’s degree or above | 10 (6.3%) | 10 (7.8%) |
Marital status | ||
Unmarried | 10 (6.3%) | 10 (7.8%) |
Married | 133 (84.2%) | 104 (81.3%) |
Divorced | 5 (3.2%) | 4 (3.1%) |
Widowed | 10 (6.3%) | 10 (7.8%) |
Residence | ||
Urban area | 33 (20.9%) | 28 (21.9%) |
County | 21 (13.3%) | 17 (13.3%) |
Rural area | 104 (65.8%) | 83 (64.8%) |
Affected side | ||
Left | 53 (33.5%) | 40 (31.3%) |
Right | 61 (38.6%) | 47 (36.7%) |
Both | 44 (27.8%) | 41 (32.0%) |
On set of knee OA (years) | ||
< 1 year | 46 (29.1%) | 37 (28.9%) |
1–3 years | 37 (23.4%) | 33 (25.8%) |
3–5 years | 24 (15.2%) | 21 (16.4%) |
5–7 years | 10 (6.3%) | 7 (5.5%) |
≥ 7 years | 41 (25.9%) | 30 (23.4%) |