A New Approach for the Quantitative Evaluation of the Clock Drawing Test: Preliminary Results on Subjects with Parkinson's Disease

Table 2

Trial duration (mean and standard deviations) for the three groups and for both drawing conditions.

Trial Duration (TD) [s]
	CDT Command			CDT Copy
	Mean	St Dev	P-value	Mean	St Dev	P-value
CG	44.6	14.1		44.1	11.7
PD	77.4	46.4	*; ♦	55.7	18.8	*; ♦
PDD	195.9	57.1		124.2	37.3

∗: 𝑃-value <.05 for PD versus PDD; ♦: 𝑃-value <.05 for CG versus PDD; •: 𝑃-value <.05 for CG versus PD.