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Table 2 The results of Wilcoxon test

From: Evaluation of the efficacy of platelet rich fibrin (I-PRF) intra-articular injections in the management of internal derangements of temporomandibular joints – a controlled preliminary prospective clinical study

Comparison of the two periods:

P-value

Statistical significant

After (I-PRF) injection for the first time - before treatment

0.000

Yes

After (I-PRF) injection a second time - before treatment

0.000

Yes

At the final follow-up session - before processing

0.000

Yes

After fibrin injection for the second time - after (I-PRF) injection for the first time

0.014

Yes

At the final follow-up session - after (I-PRF) injection for the first time

0.102

No

At the final follow-up session - after fibrin injection for the second time

0.157

No