Table 2.

Mean change (95% confidence interval) in VISA-A scores from baseline in patients with mid-portion Achilles tendinopathy according to allocation to autologous blood injections (treatment) or dry needling (control)

	Treatment	Control	Between group difference (95% CI)
Month 1	7.9 (3.8 to 12.1)	5.3 (0.9 to 9.8)	2.6 (−3.4 to 8.6)
Month 2	12.0 (6.4 to 17.6)	8.6 (3.7 to 13.4)	3.4 (−3.8 to 11.0)
Month 3	15.2 (8.8 to 21.5)	14.9 (9.3 to 20.4)	0.3 (−6.9 to 7.5)
Month 6	18.7 (12.3 to 25.1)	19.9 (13.6 to 26.2)	−1.2 (−10.0 to 7.9)*

*P=0.689 for regression with repeated measures for difference between groups over time.