Effectiveness of lyophilized growth factors injection for subacromial impingement syndrome: a prospective randomized double-blind placebo-controlled study

Table 4 Supraspinatus tendon thickness in the two groups at baseline and follow-up

		Saline group (n = 30) mean ± SD	L-GF group (n = 30) mean ± SD	t	p
US-L (mm)	Baseline Follow-up t1 p2	6.3 ± 1.1 6.2 ± 1.2 1.340 0.191	6.0 ± 1.3 5.8 ± 1.2 2.147 0.040*	0.933 1.132	0.355 0.262
US-T (mm)	Baseline Follow-up t1 p2	6.0 ± 1.3 5.7 ± 1.2 1.657 0.108	5.5 ± 1.1 5.2 ± 1.1 1.835 0.74	1.650 1.539	0.104 0.129

US-L ultrasonographic measurement of supraspinatus tendon thickness in longitudinal view, US-T ultrasonographic measurement of average supraspinatus tendon thickness in transverse view, t1: Paired samples t test, t2: Independent samples t test, p1: of paired samples t test, p2: of independent samples t test
*Statistically significant by t test, at p ≤ 0.05

ISSN: 1749-799X