TABLE 5.

Comparison of the BRIEF-A raw scores (Means and SDs) between (1) PD patients and healthy controls, (2) self and their corresponding relative’s.

Brief-A scales	PD	Caregiver’s	p-value	HC	Informant	p-value	p-value PD vs. HC
GEC	118 (27.66)	114.93 (26.22)	0.758	92.2 (15.66)	95.43 (15.98)	0.587	0.004
BRI	51.26 (11.87)	48.27 (12.33)	0.503	42 (9.29)	45.86 (11.73)	0.333	0.033
Inhibit	13.67 (3.85)	12.13 (3.20)	0.246	10.2 (1.52)	11.29 (2.37)	0.151	0.010
Shift	10.2 (3.41)	10.53 (2.85)	0.773	8.73 (2.89)	9.57 (2.53)	0.415	0.202
Emotional control	16.6 (3.89)	15.73 (5.19)	0.609	15.2 (3.67)	16.14 (5.76)	0.601	0.367
Self-monitor	10.8 (2.73)	9.87 (3.50)	0.423	7.87 (2.45)	8.86 (3.05)	0.340	0.008
MI	66.73 (16.42)	66.6 (16.31)	0.991	50.2 (7.2)	49.57 (7.74)	0.823	0.001
Initiate	12.67 (4.45)	12.33 (3.97)	0.83	9.33 (1.79)	9.64 (1.47)	0.615	0.023
Working memory	14.46 (4.3)	14.13 (3.39)	0.816	10.8 (1.93)	10.57 (2.06)	0.761	0.015
Plan/organize	15.27 (4.59)	16.0 (4.22)	0.652	11.93 (1.91)	11.92 (2.53)	0.995	0.037
Task monitor	10.13 (2.47)	10.4 (2.57)	0.775	8.13 (1.92)	7.93 (1.82)	0.771	0.041
Organization of materials	14.2 (4.43)	13.8 (4.84)	0.815	10 (2.07)	9.5 (1.99)	0.514	0.006

p-values are provided. Parkinson’s disease; HC, healthy control; BRIEF-A, Behavior Rating Inventory of Executive Function—Adult. GEC, Global executive composite; BRI, Behavioral regulation index; MI, Metacognition index.