Table 4.

Percentage of ICD+ and ICD– across cognitive states with a cognitive performance below 1.5 SD, in the attentive and executive domains.

	PD-MCI		PDD		PD-MCI	PDD
	ICD– (%)	ICD+ (%)	ICD– (%)	ICD+ (%)	P-value
ATTENTION AND WORKING MEMORY DOMAIN
TMT B-A	24	41	79	60	0.0350	0.2500
DSS (WAIS-IV)	13	15	58	75	0.9190	0.3790
EXECUTIVE DOMAIN
Stroop test	46	49	75	89	0.9141	0.4609
Similarities	15	18	29	67	0.8948	0.0355

Significant differences (p < 0.05) are reported in bold type. PD, Parkinson's disease; PD-NC, PD with normal cognition; PD-MCI, PD with mild cognitive impairment; PDD, PD with dementia; ICD+, patients with impulse control disorders and related behaviors according to MIDI; ICD–, patients without impulse control disorders and related behaviors according to MIDI; TMT B-A, Trail Making Test part B-A; DSS, Digit Span Sequencing subtest of the Wechsler Adult Intelligence Scale–Fourth Edition; SD, standard deviation.