Table 4.
Comparison of all balance and risk of fall analyses between both groups.
| Intervention (PRP + HA) Group (n = 22) Mean ± SE Mean Difference ± SE |
ap Value | Control (PRP + NS) Group (n = 23) Mean ± SE Mean Difference ± SE |
ap Value | bp Value | |||
|---|---|---|---|---|---|---|---|
| Balance-OSI | 0.69 ± 0.04 | 0.65 ± 0.08 | 0.255 | ||||
| Month 1 | 0.54 ± 0.04 | −0.15 ± 0.03 | <0.001 | 0.58 ± 0.07 | −0.07 ± 0.06 | 0.046 | 0.240 |
| Month 3 | 0.44 ± 0.03 | −0.25 ± 0.03 | <0.001 | 0.51 ± 0.05 | −0.15 ± 0.07 | 0.056 | 0.020 |
| Month 6 | 0.43 ± 0.04 | −0.26 ± 0.03 | <0.001 | 0.52 ± 0.05 | −0.14 ± 0.06 | 0.027 | 0.030 |
| Month 12 | 0.40 ± 0.03 | −0.29 ± 0.03 | <0.001 | 0.47 ± 0.05 | −0.18 ± 0.08 | 0.025 | 0.019 |
| Balance-APSI | 0.52 ± 0.03 | 0.52 ± 0.07 | 0.413 | ||||
| Month 1 | 0.38 ± 0.03 | −0.14 ± 0.02 | <0.001 | 0.41 ± 0.05 | −0.11 ± 0.05 | 0.037 | 0.108 |
| Month 3 | 0.35 ± 0.03 | −0.17 ± 0.03 | <0.001 | 0.39 ± 0.04 | −0.13 ± 0.07 | 0.135 | 0.114 |
| Month 6 | 0.33 ± 0.03 | −0.19 ± 0.03 | <0.001 | 0.39 ± 0.04 | −0.12 ± 0.06 | 0.087 | 0.073 |
| Month 12 | 0.32 ± 0.02 | −0.20 ± 0.03 | <0.001 | 0.39 ± 0.05 | −0.13 ± 0.06 | 0.074 | 0.097 |
| Balance-MLSI | 0.36 ± 0.03 | 0.32 ± 0.05 | 0.127 | ||||
| Month 1 | 0.29 ± 0.04 | −0.07 ± 0.03 | 0.025 | 0.30 ± 0.06 | −0.03 ± 0.07 | 0.064 | 0.600 |
| Month 3 | 0.22 ± 0.02 | −0.15 ± 0.03 | <0.001 | 0.28 ± 0.05 | −0.04 ± 0.06 | 0.384 | 0.023 |
| Month 6 | 0.25 ± 0.03 | −0.11 ± 0.03 | 0.001 | 0.30 ± 0.03 | −0.03 ± 0.05 | 0.765 | 0.042 |
| Month 12 | 0.22 ± 0.03 | −0.14 ± 0.04 | 0.001 | 0.25 ± 0.03 | −0.07 ± 0.06 | 0.262 | 0.143 |
| Risk fall-6 level | 2.3 ± 0.2 | 2.1 ± 0.2 | 0.532 | ||||
| Month 1 | 1.9 ± 0.2 | −0.4 ± 0.1 | 0.001 | 1.9 ± 0.2 | −0.2 ± 0.1 | 0.030 | 0.180 |
| Month 3 | 1.6 ± 0.1 | −0.7 ± 0.1 | <0.001 | 1.7 ± 0.2 | −0.4 ± 0.1 | 0.004 | 0.149 |
| Month 6 | 1.5 ± 0.1 | −0.8 ± 0.1 | <0.001 | 1.6 ± 0.2 | −0.5 ± 0.2 | 0.005 | 0.334 |
| Month 12 | 1.4 ± 0.1 | −0.9 ± 0.2 | <0.001 | 1.4 ± 0.2 | −0.8 ± 0.1 | <0.001 | 0.829 |
| Risk fall-8 level | 1.3 ± 0.1 | 1.1 ± 0.1 | 0.407 | ||||
| Month 1 | 1.1 ± 0.1 | −0.1 ± 0.04 | 0.004 | 1.0 ± 0.1 | −0.1 ± 0.04 | 0.020 | 1.000 |
| Month 3 | 1.0 ± 0.1 | −0.3 ± 0.07 | 0.002 | 1.0 ± 0.1 | −0.1 ± 0.05 | 0.005 | 0.184 |
| Month 6 | 1.0 ± 0.1 | −0.2 ± 0.07 | 0.003 | 1.0 ± 0.1 | −0.1 ± 0.05 | 0.005 | 0.439 |
| Month 12 | 0.9 ± 0.1 | −0.4 ± 0.10 | 0.001 | 0.9 ± 0.1 | −0.3 ± 0.05 | <0.001 | 0.323 |
PRP = Platelet-rich Plasma; HA = Hyaluronic acid; NS = Normal saline; SE = Standard error; OSI = overall stability index; APSI = anterior-posterior stability index; MLSI = medial-lateral stability index. a Friedman test with Wilcoxon Signed-Rank post hoc analysis (each time-points versus baseline). b Mann–Whitney U Test (mean difference, intergroup).