Assessment of Interrater and Intrarater Reliability of Cervical Range of Motion (CROM) Goniometer

Table 1

Intrarater and interrater agreement in the measure of flexion.

Measure		Mean	SD	Cronbach’s alpha (intrarater reliability)	Pearson’s product-moment correlation coefficient	ICC (interrater and intrarater reliability)	95% CI		Agreement
Flexion	1A; 3A	55.70; 58.27	8.05; 8.18	0.75	0.60	0.575	0.341	0.743	Moderate
	2P; 4P	53.97; 61.60	9.72; 8.07	0.64	0.48	0.406	0.128	0.632	Moderate
	1A; 2P	55.70; 53.97	8.05; 9.72	—	0.72	0.701	0.514	0.825	High
	3A; 4P	58.27; 61.60	8.18; 8.07	—	0.50	0.460	0.195	0.663	Moderate