Table 3. Mean Scores ± SD of GHQ-28 Health Subscales (Independent-Samples T Test Showing Differences Between HD and PD Patients).

GHQ-28 subscales	HD Patients (N = 84)	PD Patients (N = 60)	P-value
	Mean ± SD	Mean ± SD
Somatic symptoms	1.86 ± 0.55	1.69 ± 0.52	0.06
Anxiety/insomnia	1.88 ± 0.65	1.48 ± 0.58	0.00*
Social dysfunction	2.30 ± 0.51	2.21 ± 0.40	0.25
Severe depression	1.58 ± 0.77	1.30 ± 0.56	0.02*
Total score	1.90 ± 0.50	1.67 ± 0.44	0.01*

* P < 0.05; N = 144