Table 3.

Overall clinical and US evaluation of 58 patellar and Achilles tendons which underwent US-guided PRP injection.

	Baseline	Twenty days	Six months
Victoria Institute sport assessment – P and A	57 ± 17	61 ± 19.5	75.5 ± 13
P		0.548a	0.004a
Hypoechoic areas; number	58/58	52/58	32/58
P		0.011b	0.001b
Power Doppler; median (25th–75th percentile)	2 (2–3)	3 (2–3)	1 (1–2)
P		0.072c	0.001c

P values are calculated in comparison to baseline using:

^aWilcoxon test.

^bChi-square test.

^ctwo-way ANOVA test.