Journal of Orthopaedic Surgery and Research

Table 3 Painful arc and SPADI-total score percentage of improvement in the two groups at follow-up

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

	Comparison point	Saline group n = 30	L-GF group n = 30	p
Painful arc	Negative	1 (3%)	12 (40%)	0.001*
Painful arc	Positive	29 (97%)	18 (60%)	0.001*
SPADI-total	Improvement	19 (63%)	27 (90%)	0.03*
SPADI-total	Worsening	11 (37%)	3 (10%)	0.03*

SPADI: Shoulder pain and disability index, p: Fischer’s exact test
*Statistically significant at p ≤ 0.05

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ISSN: 1749-799X

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