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

Table 3

Intrarater and interrater agreement in the measure of left lateral flexion.

Measure		Mean	SD	Cronbach’s alpha (intrarater reliability)	Pearson’s product-moment correlation coefficient	ICC (interrater and intrarater reliability)	95% CI		Agreement
Left lateral flexion	1A; 3A	50.20; 52.10	7.00; 9.20	0.70	0.55	0.528	0.281	0.711	Moderate
	2P; 4P	47.70; 52.47	9.75; 7.06	0.75	0.63	0.520	0.209	0.721	Moderate
	1A; 2P	50.20; 47.70	7.00; 9.75	—	0.61	0.552	0.311	0.727	Moderate
	3A; 4P	52.10; 52.47	9.20; 7.06	—	0.71	0.696	0.506	0.822	High