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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