Short-form development of the specific module of the QLICD-CRF(V2.0) for assessing the quality of life of patients with chronic renal failure

Table 3 The selected items for short form based on OTA and their psychometric properties

Number of items	Items selected										Reliability	Concurrent validity with the SPD-10
Number of items	CRF1	CRF2	CRF3	CRF4	CRF5	CRF6	CRF7	CRF8	CRF9	CRF10	Cronbach alpha	Correlation of the factor scores	Correlation of the total scores
3		√				√			√		0.648	0.892**	0.851**
4		√	√			√			√		0.721	0.923**	0.886**
5		√	√			√		√	√		0.733	0.952**	0.929**
6	√	√	√			√		√	√		0.758	0.962**	0.938**
7	√	√	√	√		√		√	√		0.778	0.980**	0.957**
8	√	√	√	√	√	√		√	√		0.797	0.990**	0.971**
9	√	√	√	√	√	√		√	√	√	0.808	0.999**	0.987**
10	√	√	√	√	√	√	√	√	√	√	0.795	1.000**	1.000**

ISSN: 1471-2288