Comparison of Performance on the Clock Drawing Test Using Three Different Scales in Dialysis Patients

Table 3

Factor analysis of subcomponents of all the three scales.

Clock scale component	Factor 1	Factor 2
Numbers (BCS)	0.94
Time (BCS)	0.82
Construct of hands (BCS)	0.68
Gestalt (BCS)	0.92
Presence and placement of hands (RCS)	0.79
Numbers (MCS)	0.82
Hands (MCS)	0.7
Contour integrity of the clock face (BCS)		0.96
Center (BCS)		0.43
Integrity of the clock face (RCS)		0.97
Contour (MCS)		0.65