Metabolic syndrome in Thai adolescents and associated factors: the Thai National Health Examination Survey V (NHES V)

Table 2 Prevalence of metabolic syndrome and its components by different definitions

Definitions	Total N = 1934		Male N = 973		Female N = 961		p-value
Definitions	n	%	n	%	n	%	p-value
International Diabetes Federation’s definition
Metabolic syndrome (WC^a criterion plus ≥2/4 components)	80	4.1	47	4.8	33	3.4	0.123
WC ≥ P90 or adult cut-off if lower (mandatory criterion)	334	17.3	170	17.5	164	17.0	0.813
1. TG^b ≥ 150 mg/dL	212	11.0	109	11.2	103	10.7	0.733
2. HDL-C^c < 40 mg/dL	332	17.2	192	19.7	140	14.6	0.003
3. SBP^d ≥ 130 and/or DBP^e ≥ 85 mmHg	86	4.4	63	6.5	23	2.4	< 0.001
4. Fasting glucose ≥100 mg/dL	156	8.1	85	8.7	71	7.4	0.276
Cook’s definition
Metabolic syndrome (≥3/5 components)	155	8.0	88	9.0	67	7.0	0.093
1. WC ≥ P90	325	16.8	169	17.4	156	16.2	0.504
2. TG ≥ 110 mg/dL	522	27.0	249	25.6	273	28.4	0.163
3. HDL-C ≤ 40 mg/dL	386	20.0	223	22.9	163	17.0	0.001
4. SBP and/or DBP ≥ P90	355	18.4	221	22.7	134	13.9	< 0.001
5. Fasting glucose ≥110 mg/dL	62	3.2	35	3.6	27	2.8	0.326
de Ferranti’s definition
Metabolic syndrome (≥3/5 components)	324	16.8	179	18.4	145	15.1	0.051
1. WC > P75	630	32.6	306	31.4	324	33.7	0.288
2. TG ≥ 100 mg/dL	684	35.4	334	34.3	350	36.4	0.336
3. HDL-C < 50 mg/dL (< 45 mg/dL for boys aged 15–16)	895	46.3	474	48.7	421	43.8	0.030
4. SBP and/or DBP > P90	304	15.7	189	19.4	115	12.0	< 0.001
5. Fasting glucose ≥110 mg/dL	62	3.2	35	3.6	27	2.8	0.326

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