Optimal cutoff values of waist circumference and the discriminatory performance of other anthropometric indices to detect the clustering of cardiovascular risk factors for metabolic syndrome in Japanese men and women

Table 3 Sensitivity (sens), specificity (spec), and proportions of four test results [true positive (TP), false negative (FN), false positive (FP), and true negative (TN)] for waist circumference (WC) in detecting the presence of multiple cardiovascular risk factors according to three different criteria (JCCMS, IDF, and this study)

WC criteria	WC cutoff (cm)	Sens	Spec	Number (proportion)
WC criteria	WC cutoff (cm)	Sens	Spec	TP	FN	FP	TN
Men (n = 330)
JCCMS	85	0.72	0.53	81 (0.24)	32 (0.10)	101 (0.31)	116 (0.35)
This study	88	0.60	0.70	68 (0.21)	45 (0.14)	65 (0.20)	152 (0.46)
IDF	90	0.49	0.75	55 (0.17)	58 (0.18)	53 (0.16)	164 (0.50)
Women (n = 514)
IDF	80	0.85	0.54	72 (0.14)	13 (0.03)	199 (0.39)	230 (0.45)
This study	82	0.78	0.62	66 (0.13)	19 (0.04)	161 (0.31)	268 (0.52)
JCCMS	90	0.38	0.88	32 (0.06)	53 (0.10)	50 (0.10)	379 (0.74)

JCCMS The Japanese Committee of the Criteria for Metabolic Syndrome, IDF The International Diabetes Federation
Presence of any two or more of hypertension (systolic blood pressure ≥ 130 mmHg and/or diastolic blood pressure ≥ 85 mmHg), dyslipidemia (HDL-cholesterol < 40 mg/dL and/or triglyceride ≥ 150 mg/dL), and hyperglycemia (hemoglobin A1c ≥ 5.5%)

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