The distribution of Coronal Plane Alignment of the Knee (CPAK) phenotypes in the Malaysian population and their correlation with demographic variables

Table 1 Assessment of intra-observer and inter-observer reliability of measurements

Parameter	Rater	Intraclass Correlation Coefficient
		Intra-observer	95% Confidence Interval		P	Inter-observer	95% Confidence Interval		P
		Intra-observer	Lower Bound	Upper Bound	P	Inter-observer	Lower Bound	Upper Bound	P
LDFA	1	0.984	0.972	0.992	< 0.001	0.991	0.982	0.995	< 0.001
	2	0.993	0.986	0.996	< 0.001
	3	0.984	0.970	0.992	< 0.001
MPTA	1	0.980	0.963	0.990	< 0.001	0.984	0.970	0.992	< 0.001
	2	0.986	0.973	0.993	< 0.001
	3	0.978	0.959	0.989	< 0.001

Two-way mixed effects model was used where people effects were random, and measures effects were fixed (absolute agreement definition used)
LDFA lateral distal femoral angle, MPTA medial proximal tibial angle

ISSN: 2524-7948