Open Access
Table 1
Percentage change in WOMAC and VAS scores at 6 weeks, 3 months, 6 months, and at one year after PRP injection compared to pre-injection levels. On applying paired t-test, P-value <.001, so there is a significant change in mean VAS and WOMAC function score post-injection.
| Clinical parameter | Time |
||||
|---|---|---|---|---|---|
| PREINJ | 6 weeks | 3 months | 6 months | 1 yr | |
| WOMAC pain | |||||
| (A) Mean pain | 15.51 | 4.57 | 5.49 | 9.31 | 13.14 |
| (B) % change | 70.6% | 64.7% | 40% | 15.3% | |
| (C) P-value | On applying paired t-test P-value < .001, so there is a significant change in mean pain score post-PRP. | ||||
| WOMAC stiffness | |||||
| (A) Mean pain | 5.51 | 2.57 | 3.12 | 3.80 | 4.96 |
| (B) % change | 63.4% | 53.4% | 31.15% | 10% | |
| (C) P-value | On applying paired t-test P-value < .001, so there is a significant change in mean WOMAC stiffness score. | ||||
| WOMAC function | |||||
| (A) Mean pain | 57.96 | 16.63 | 17.84 | 37.43 | 54.27 |
| (B) % change | 71% | 69.3% | 35.4% | 6.4% | |
| (C) P-value | On applying paired t-test, P-value < .001, so there is a significant change in mean WOMAC function score post-injection. | ||||
| VAS score | |||||
| (A) Mean pain | 6.06 | 2.24 | 2.49 | 3.14 | 4.80 |
| (B) % change | 64% | 59% | 48.2% | 20.8% | |
| (C) P-value | On applying paired t-test P-value < .001, so there is a significant change in mean VAS score. | ||||
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