Determining a cutoff score for the family burden interview schedule using three statistical methods

Table 4 Contingency analysis of caregivers by anxiety and burden groups

Cutoff scores	High GAD-7	Low GAD-7	Total N	Chi-square	Sig.^a	Sensitivity	Specificity	Youden index
High burden> 20	108	72	180	40.177	< 0.001	81.20%	55.00%	0.362
Low burden<=20	25	88	113
High burden> 21	106	64	170	46.995	< 0.001	79.70%	60.00%	0.397
Low burden<=21	27	96	123
High burden> 22	102	58	160	47.921	< 0.001	76.70%	63.80%	0.405
Low burden<=22	31	102	133
High burden> 23	98	53	151	47.836	< 0.001	73.70%	66.90%	0.406
Low burden<=23	35	107	142
High burden> 24	94	49	143	46.629	< 0.001	70.70%	69.40%	0.401
Low burden<=24	39	111	150
High burden> 25	90	48	138	41.362	< 0.001	67.70%	70.00%	0.377
Low burden<=25	43	112	155

ISSN: 1471-2288