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

Table 1 Comparing baseline and follow-up motion ranges within and between the two groups

ROM median (in degrees)		Saline group (n = 30)	L-GF group (n = 30)	p2
Active flexion	Baseline	152.5	160	0.141
	Follow-up	162.5	170	0.177
	p1	0.068	0.006*
	% Change	2.5	2.5	0.684
Passive flexion	Baseline	160	167.5	0.084
	Follow-up	170	170	0.161
	p1	0.003*	0.021*
	% Change	5	5	0.483
Active abduction	Baseline	150	160	0.228
	Follow-up	150	165	0.295
	p1	0.280	.125
	% Change	0	5	0.823
Passive abduction	Baseline	160	162.5	0.191
	Follow-up	170	180	0.043*
	p1	< 0.001*	0.014*
	Change	10	10	0.725
Active internal rotation	Baseline	75	80	0.613
	Follow-up	80	85	0.032*
	p1	0.172	< 0.001*
	% Change	0	12.5	0.023*
Passive internal rotation	Baseline	77.5	85	0.321
	Follow-up	85	90	0.003*
	p1	0.255	0.001*
	% Change	0	7.5	0.069
Active extension	Baseline	57.5	57.5	0.857
	Follow-up	60.00	60.00	0.178
	p1	0.055	0.002*
	% Change	2.50	5.00	0.148
Passive extension	Baseline	60.00	60.00	0.915
	Follow-up	60.00	60.00	0.151
	p1	0.164	0.002*
	% Change	0.00	5.00	0.084

ISSN: 1749-799X