Table 3: Intergroup comparison: Independent student t test for VAS score.
| Group | N | Mean | Std. Deviation | t | df | P value | |
| DIFFERENCE IN VAS 3 WEEKS TO 1ST VISIT | CORTICOSTEROIDS | 25 | 25 | 0.87 | 4.51 | 48 | < 0.001 |
| PRP | 25 | 1.48 | 0.823 | ||||
| DIFFERENCE IN VAS 6 WEEKS TO 1ST VISIT | CORTICOSTEROIDS | 25 | 3.24 | 1.165 | 1.394 | 48 | 0.17 |
| PRP | 25 | 2.76 | 1.268 | ||||
| DIFFERENCE IN VAS 6 MONTHS TO 1ST VISIT | CORTICOSTEROIDS | 25 | 4.24 | 1.091 | -4.089 | 48 | < 0.001 |
| PRP | 25 | 5.64 | 1.319 |