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

Table 2

Intrarater and interrater agreement in the measure of extension.

Measure		Mean	SD	Cronbach’s alpha (intrarater reliability)	Pearson’s product-moment correlation coefficient	ICC (interrater and intrarater reliability)	95% CI		Agreement
Extension	1A; 3A	84.17; 90.87	11.14; 15.17	0.85	0.77	0.644	0.303	0.813	High
	2P; 4P	88.33; 89.63	15.75; 13.36	0.89	0.81	0.796	0.656	0.883	Very high
	1A; 2P	84.17; 88.33	11.14; 15.75	—	0.89	0.808	0.628	0.898	Very high
	3A; 4P	90.87; 89.63	15.17; 13.36	—	0.89	0.878	0.787	0.931	Very high