Table 4: Intergroup comparison: Independent student t test for AOFAS score.
| GROUP | N | Mean | Std. Deviation | t | df | P value | |
| DIFFERENCE IN AOFAS 3 WEEKS TO 1ST VISIT | CORTICOSTEROIDS | 25 | 19.12 | 4.746 | 2.31 | 48 | 0.025 |
| PRP | 25 | 15.52 | 6.179 | ||||
| DIFFERENCE IN AOFAS 6 WEEKS TO 1ST VISIT | CORTICOSTEROIDS | 25 | 19.8 | 4.664 | -2.087 | 28.677 | 0.046 |
| PRP | 25 | 21.84 | 1.463 | ||||
| DIFFERENCE IN AOFAS 6 MONTHS TO 1ST VISIT | CORTICOSTEROIDS | 25 | 21.24 | 3.7 | -3.192 | 41.324 | 0.003 |
| PRP | 25 | 25.56 | 5.665 |