Table 5. Comparison for UCLA SRS and QuickDASH during activity before and after treatment.

	Group 1	Group 2	Group 3	Groups
	PRP injection	Corticosteroid injection	Physical therapy	comparisons
	Mean±SD	Mean±SD	Mean±SD	p
UCLA SRS
Before treatment	14.6±4.5	16.4±4.0	15.6±3.8	0,344
Week 3 after treatment	31.4±2.5	33.3±4.0	32.7±2.2	0,581
Week 8 after treatment	*38.3±3.3	†35±3.5	†34.5±2.5	0,001
Repeated measures comparisons (p)	<0.001	<0.001	<0.001
QuickDASH
Before treatment	78.5±6.8	78.5±7.7	77.6±7.6	0,775
Week 3 after treatment	*62.3±8.7	†58.0±6.7	†56.8±9.5	0,032
Week 8 after treatment	24.5±5.2*	†28.9±7.2	†29.5±6.4	0,013
Repeated measures comparisons (p)	<0.001	<0.001	<0.001
UCLA SRS: University of California, Los Angeles Shoulder Rating Scale; PRP: Platelet-rich plasma; QuickDASH: Quick Disabilities of Arm, Shoulder and Hand Score; * p<0.05 and platelet-rich plasma injection versus corticosteroid injection; † p<0.05 and platelet-rich plasma injection versus physical therapy.