. 2016 Dec 5;4(4):517–523. doi: 10.1002/mdc3.12459

Table 4.

Correlations between the Domains of Health‐related Quality of Life and Clinical Variables in Patients with Cervical Dystonia

	Correlation Coefficient
Variable	PF	SF	RLP	RLE	MH	Vitality	Pain	GHP	EHC
Demographic characteristics
Age	0.14	0.22	0.36^a	0.19	0.29	0.38^b	0.19	0.06	−0.05
Sex	−0.03	−0.19	−0.06	−0.11	−0.13	−0.03	−0.06	0.03	−0.13
Nonmotor scores
FSS	−0.71^b	−0.54^b	−0.55^b	−0.37^a	−0.37^a	−0.57^b	−0.52^b	−0.46^b	−0.15
ESS	−0.55^b	−0.61^b	−0.42^b	−0.24	−0.54^b	−0.57^b	−0.28	−0.35^a	−0.11
PSQI	−0.29	−0.33^a	−0.33^a	−0.14	−0.32^a	−0.28	−0.35^a	−0.36^a	0.08
BDI	−0.51^b	−0.62^b	−0.41^b	−0.61^b	−0.69^b	−0.65^b	−0.44^b	−0.44^b	0.02
BAI	−0.43^b	−0.16	−0.31^a	−0.51^b	−0.70^b	−0.58^b	−0.42^b	−0.48^b	−0.02
Dystonia rating scales
Dystonia duration	−0.09	0.03	−0.04	−0.20	0.04	0.07	0.11	0.06	−0.32^a
TWSTRS severity	−0.13	0.17	0.11	0.12	0.08	0.08	−0.10	−0.08	−0.01
TWSTRS pain	−0.44^b	−0.20	−0.41^b	−0.38^a	−0.24	−0.37^a	−0.61^b	−0.36^a	−0.13
CGI−S jerks/tremor	0.01	0.21	0.06	0.19	0.10	0.04	−0.02	0.17	−0.08

PF, physical functioning; SF, social functioning; RLP, role limitation‐physical; RLE, role limitation‐emotional; MH, mental health; GHP, general health perception; EHC, expected health change; FSS, Fatigue Severity Scale; ESS, Epsworth Sleepiness Scale; PSQI, Pittsburgh Sleep Quality Index; BDI, Beck Depression Inventory; BAI, Beck Anxiety Inventory; TWSTRS, Toronto Western Spasmodic Torticollis Rating Scale; CGI‐S, Clinical Global Impression Scale.

^a P < 0.05; ^b P < 0.01.