The Chinese version of the Quality of Life in Childhood Epilepsy Questionnaire-16-C (QOLCE-16-C): translation, validity, and reliability

Table 2 Floor effect and ceiling effect of each item, item analysis for the QOLCE-16 (n = 414)

Item	Mean ± SD	CR	P	Item-total correlation	P
C_1	75.42 ± 24.383	21.095	< 0.001	0.772**	< 0.001
C_2	67.63 ± 28.588	20.769	< 0.001	0.750**	< 0.001
C_3	80.13 ± 21.291	17.563	< 0.001	0.753**	< 0.001
C_4	64.98 ± 28.730	20.324	< 0.001	0.745**	< 0.001
E_1	69.02 ± 20.707	11.327	< 0.001	0.564**	< 0.001
E_2	65.94 ± 22.403	10.374	< 0.001	0.542**	< 0.001
E_3	67.81 ± 21.050	7.904	< 0.001	0.510**	< 0.001
E_4	64.07 ± 22.545	13.436	< 0.001	0.639**	< 0.001
S_1	79.05 ± 25.867	17.048	< 0.001	0.639**	< 0.001
S_2	71.62 ± 22.897	19.312	< 0.001	0.791**	< 0.001
S_3	72.40 ± 24.186	18.719	< 0.001	0.775**	< 0.001
S_4	73.55 ± 23.231	21.491	< 0.001	0.797**	< 0.001
P_1	67.75 ± 21.910	18.551	< 0.001	0.749**	< 0.001
P_2	63.83 ± 23.481	19.205	< 0.001	0.752**	< 0.001
P_3	70.59 ± 22.687	15.229	< 0.001	0.700**	< 0.001
P_4	61.65 ± 24.264	11.948	< 0.001	0.530**	< 0.001

ISSN: 1477-7525