Table 1 Demographic data
Variable | Total (N = 140) | CHAP-HA (N = 71) | Linear-HA (N = 69) |
|---|---|---|---|
Age, years (Mean ± SD) | 56.3 ± 11.2 | 56.6 ± 12.6 | 56.0 ± 9.7 |
Age group, n (%) | |||
< 45 years | 15 (21.1) | 15 (21.1) | 12 (17.4) |
45–64 years | 32 (45.1) | 32 (45.1) | 41 (59.4) |
≥ 65 years | 24 (33.8) | 24 (33.8) | 16 (23.2) |
Sex, n (%) | |||
Male | 45 (32.1) | 25 (35.2) | 20 (29.0) |
Female | 95 (67.9) | 46 (64.8) | 50 (71.0) |
Site, n (%) | |||
Left | 71 (50.7) | 37 (52.1) | 34 (49.3) |
Right | 69 (49.3) | 34 (47.9) | 35 (50.7) |
OA KL grade, n (%) | |||
2 | 106 (75.7) | 52 (73.2) | 54 (78.3) |
3 | 34 (24.3) | 19 (26.8) | 15 (21.7) |
Work status, n (%) | |||
Mild | 61 (43.6) | 28 (39.4) | 33 (47.8) |
Moderate | 71 (50.7) | 37 (52.1) | 34 (49.3) |
Heavy | 8 (5.7) | 6 (8.5) | 2 (2.9) |
BMI, kg/m2 | 25.1 ± 4.0 | 25.5 ± 4.2 | 24.7 ± 3.8 |
Weight status, n (%) | |||
Underweight | 2 (1.4) | 1 (1.4) | 1 (1.4) |
Normal | 59 (42.1) | 27 (38.0) | 32 (46.4) |
Overweight | 39 (27.9) | 22 (31.0) | 17 (24.6) |
Obese | 40 (28.6) | 21 (29.6) | 19 (27.5) |
Systolic BP (mmHg) | 128.5 ± 16.7 | 129.5 ± 15.9 | 127.5 ± 17.6 |
Diastolic BP (mmHg) | 74.8 ± 10.6 | 75.0 ± 9.7 | 74.5 ± 11.6 |
Heart rate (beat/min) | 74.8 ± 9.1 | 74.5 ± 9.1 | 75.2 ± 9.1 |
Second injection, n (%) | |||
Non-injection | 31 (22.1) | 15 (21.1) | 16 (23.2) |
Left | 9 (6.4) | 7 (9.9) | 2 (2.9) |
Right | 4 (2.9) | 0 (0.0) | 4 (5.8) |
Both knee | 96 (68.6) | 49 (69.0) | 47 (68.1) |