Dose atrophy of vastus medialis obliquus and vastus lateralis exist in patients with patellofemoral pain syndrome

Table 2 Intraclass correlation coefficients

		Intratester reliability ICC (95% CI)	Intertester reliability ICC (95% CI)
Study group	VMO areas	0.98 ^b (0.95–0.99)	0.96 ^b (0.91–0.98)
Study group	VML areas	0.97 ^b (0.94–0.99)	0.95 ^b (0.90–0.97)
Control group	VMO areas	0.99 ^b (0.98–0.99)	0.98 ^b (0.96–0.99)
Control group	VML areas	0.98 ^b (0.95–0.99)	0.96 ^b (0.92–0.98)

ICC intraclass correlation coefficient, CI confidence interval, VMO vastus medialis obliquus, VLM vastus lateralis muscle
^bP < 0.001

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