The client satisfaction with device: a Rasch validation of the Arabic version in patients with upper and lower limb amputation

Table 3 Category functioning for CSD-Ar

Category label	Category measure	Andrich threshold	Outfit* MnSq	Infit MnSq*	Category response frequency (%)
1 Strongly disagree	− 3.19	NONE	1.05	1.13	446 (30%)
2 Disagree	− .76	− 2.05	.91	.85	702 (48%)
3 Agree	1.07	.76	.96	.92	221 (15%)
4 Strongly agree	2.68	1.29	.99	1.01	95 (6%)

Average category measures, thresholds, category fit statistics, and observed frequency (count) for the four-category rating scales of the OPUS CSD-Ar Module. A monotonic increase in both average measures across rating scale categories was observed, thresholds increased, category outfit mean square values were less than 2, and the number of observations per category was appropriate
^*outlier-sensitive
^**information-weighted
^***mean square

ISSN: 1477-7525