Cross-Cultural Adaptation and Validation of the Simplified Chinese Version of the Lower Extremity Functional Scale

Table 2

Corrected item-total correlations, Cronbach’s alpha if the item was deleted, and I-CVI for every item.

Item	Corrected item-total correlation	Cronbach’s alpha if the item was deleted	I-CVI
1	0.863	0.971	0.89
2	0.674	0.973	0.89
3	0.771	0.972	1.00
4	0.826	0.972	0.78
5	0.698	0.973	1.00
6	0.861	0.971	1.00
7	0.757	0.972	0.89
8	0.818	0.972	1.00
9	0.821	0.972	0.78
10	0.866	0.971	0.89
11	0.889	0.971	0.89
12	0.844	0.971	0.78
13	0.895	0.971	0.78
14	0.862	0.971	0.89
15	0.678	0.973	1.00
16	0.79	0.972	0.89
17	0.809	0.972	0.89
18	0.759	0.972	1.00
19	0.741	0.972	0.89
20	0.697	0.973	0.89

I-CVI: item-level content validity index.