Table 2.

Mean values and standard deviation (SD), intraclass correlation coefficient (ICC), 95% confidence interval (95% CI), standard error of measurement (SEM), minimal detectable change (MDC), and coefficient of variation (CV) for inter-rater measurements of the cross-sectional area (CSA) of the Patellar Tendon

	Mean ± SD (cm2)	ICC	95% CI	p value	SEM (cm2)	MDC (cm2)	CV (%)
Inter-rater–without device
CSA25%	0.793 ± 0.181	0.36	0.11–0.58	0.02	0.14	0.40	22.65
CSA50%	0.792 ± 0.160	0.65	0.47–0.78	< 0.001	0.09	0.26	13.10
CSA75%	0.780 ± 0.179	0.47	0.25–0.66	< 0.001	0.13	0.36	20.96
Inter-rater–with device
CSA25%	0.817 ± 0.213	0.46	0.21–0.64	< 0.001	0.15	0.43	12.64
CSA50%	0.807 ± 0.180	0.65	0.47–0.78	< 0.001	0.10	0.29	14.44
CSA75%	0.780 ± 0.169	0.73	0.58–0.83	< 0.001	0.08	0.34	12.64