Table 2.

Optimal cut-offs and performance of WHtR screening for CMRs among general paediatric population

Group	N	Prevalence (%)	AUC	95% CI	Optimal cut-offs	Sensitivity	Specificity	PPV (%)	NPV (%)
Total	8130	6.1	0.87	(0.85 to 0.88)	0.467	0.89	0.75	18.8	99.0
Gender
Boys	4325	7.7	0.86	(0.85 to 0.88)	0.481	0.88	0.75	22.2	98.6
Girls	3805	4.3	0.84	(0.81 to 0.88)	0.456	0.85	0.77	14.2	99.2
Age group
Age ≤12 years	4547	5.5	0.85	(0.83 to 0.88)	0.471	0.88	0.75	16.7	99.0
Boys	2444	6.3	0.87	(0.84 to 0.89)	0.487	0.92	0.75	19.5	99.2
Girls	2103	4.5	0.84	(0.79 to 0.88)	0.456	0.85	0.77	14.7	99.1
Age >12 years	3583	6.8	0.88	(0.86 to 0.90)	0.458	0.92	0.75	20.9	99.2
Boys	1881	9.4	0.87	(0.85 to 0.89)	0.468	0.91	0.75	27.0	98.7
Girls	1702	4.0	0.86	(0.80 to 0.91)	0.456	0.85	0.78	13.6	99.2

AUC, area under receiver operating characteristic curve; CMRs, meeting three or more cardiometabolic risk factors; NPV, negative predictive value; PPV, positive predictive value; WHtR, waist-to-height ratio.