Cross-cultural adaptation and psychometric properties of the Dutch version of the Hand Function Sort in patients with complaints of hand and/or wrist

Table 3 Spearman’s correlation coefficient r_s for construct validity and known groups validity (n = 52)

	Spearman’s correlation coefficient r_s HFS-DLV*	95% CI	P value	Predefined hypothesis	Hypothesis accepted
QuickDASH	−0.73	− 0.57 to − 0.84	< 0.001	0.51–1.00 (strong-very strong)	yes
PRWHE	− 0.62	− 0.42 to − 0.77	< 0.001	0.51–1.00 (strong-very strong)	yes
PDI	− 0.68	− 0.50 to − 0.80	< 0.001	0.26–0.75 (moderate-strong)	yes
WAS	0.61	0.40 to 0.76	< 0.001	0.26–0.75 (moderate-strong)	yes
RAND-36 physical functioning	0.58	0.37 to 0.74	< 0.001	0.26–0.75 (moderate-strong)	yes
RAND-36 vitality	0.57	0.35 to 0.73	< 0.001	0.00–0.50 (weak-moderate)	no
NRS pain	−0.52	−0.29 to − 0.70	< 0.001	0.00–0.50 (weak-moderate)	no
RAND-36 social functioning	0.44	0.19 to 0.64	0.001	0.00–0.50 (weak-moderate)	yes
RAND-36 mental health	0.43	0.17 to 0.63	0.002	0.00–0.25 (weak)	no
HFS-DLV: median score (IQR)			P value	Predefined hypothesis
Male (n = 19)	Female (n = 33)
182 (110–207)	151 (111–195)		0.38	male > female	no
Employed (n = 35)	Unemployed (n = 17)
171 (136–200)	129 (63–185)		0.077	employed > unemployed	no
Non-dominant affected (n = 9)	Dominant side affected (n = 43)
166 (109–206)	151 (126–208)		0.521	non-dominant side affected > dominant side affected	no

95% CI 95% confidence interval, HFS-DLV Hand Function Sort-Dutch Language Version, QuickDASH Quick Disabilities of the Arm, Shoulder, and Hand Outcome Measure, PRWHE Patient Rated Wrist/Hand Evaluation, PDI Pain Disability Index, WAS Work Ability Score, NRS pain Numeric Pain Rating Scale, IQR interquartile range

ISSN: 1471-2474