| Total (n = 200) | PRP (n = 52) | PRGF (n = 51) | HA (n = 49) | Ozone (n = 48) |
---|---|---|---|---|---|
Baseline characteristics | |||||
 Age (yr),Mean ± SD | 56.9 ± 6.3 | 56.09 ± 6.0 | 56.07 ± 6.3 | 57.91 ± 6.7 | 57.60 ± 6.1 |
 Sex (Male/Female) | 61/139 | 13/39 | 14/37 | 12/37 | 12/36 |
 BMI (kg/m2), Mean ± SD | 28.24 ± 2.8 | 27.41 ± 2.6 | 27.50 ± 2.1 | 27.46 ± 2.2 | 27.01 ± 1.9 |
 Duration of pain (yr), Mean ± SD | 4.41 ± 2.2 | 4.44 ± 2.3 | 4.9 ± 2.7 | 3.86 ± 1.6 | 4.42 ± 2.1 |
 Side of injection (left/right) | 93/107 | 22/30 | 18/33 | 28/21 | 25/23 |
 Degree of osteoarthritis (2/3) | 108/92 | 26/26 | 28/23 | 27/22 | 27/21 |
 History physiotherapy, n(%) | 119 (59.5) | 29 (55.8) | 36 (70.6) | 26 (53.1) | 28 (42.3) |
 History injection, n(%) | 92 (46.0) | 22 (44.3) | 25 (49.0) | 24 (49.0) | 21 (58.3) |
 Pain during injection, Mean ± SD | 2.43 ± 2.0 | 2.80 ± 2.2 | 3.07 ± 2.6 | 1.81 ± 1.3 | 1.95 ± 1.18 |
Outcome measures | |||||
 VAS, Mean ± SD | 8.03 ± 1.2 | 7.92 ± 1.0 | 7.90 ± 1.3 | 8.22 ± 1.1 | 8.10 ± 1.0 |
WOMAC, Mean ± SD | |||||
 Pain | 9.54 ± 1.6 | 9.69 ± 1.3 | 9.72 ± 1.7 | 9.44 ± 1.6 | 9.29 ± 1.8 |
 Function | 30.68 ± 7.3 | 30.19 ± 6.4 | 30.54 ± 7.6 | 31.02 ± 8.8 | 31.00 ± 6.1 |
 Stiffness | 2.73 ± 1.3 | 2.84 ± 1.1 | 2.84 ± 1.6 | 2.71 ± 1.1 | 2.50 ± 1.1 |
 Total | 42.85 ± 9.2 | 42.73 ± 7.7 | 43.11 ± 9.6 | 42.75 ± 11.1 | 42.79 ± 8.2 |
LEQ, Mean ± SD | |||||
 Pain | 5.31 ± 1.0 | 5.17 ± 1.0 | 5.13 ± 1.1 | 5.55 ± 0.9 | 5.41 ± 1.0 |
 Walk | 1.65 ± 0.8 | 1.65 ± 0.6 | 1.66 ± 0.8 | 1.71 ± 0.9 | 1.56 ± 0.7 |
 ADL | 5.71 ± 0.7 | 5.75 ± 0.6 | 5.71 ± 0.7 | 5.70 ± 0.8 | 5.67 ± 0.7 |
 Total | 12.65 ± 2.0 | 12.58 ± 1.6 | 12.62 ± 2.1 | 12.76 ± 2.2 | 12.65 ± 2.0 |