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Table 2 Prevalence of individual MetS components and HbA1c

From: Supplementary use of HbA1c as hyperglycemic criterion to detect metabolic syndrome

  All MetS-positive MetS-negative
Number (%) 229 (100%) 109 (100%) 120 (100%)
WC 125 (54.6%) 101 (92.7%) 24 (20.0%)
SBP 161 (70.3%) 94 (86.2%) 67 (55.8%)
DBP 112 (48.9%) 67 (61.5%) 45 (37.5%)
FPG 65 (28.4%) 59 (54.1%) 6 (5.0%)
TG 90 (39.3%) 68 (62.4%) 22 (18.3%)
HDL 70 (30.6%) 61 (56.0%) 9 (7.5%)
HbA1c 194 (84.7%) 99 (90.8%) 95 (79.2%)
  1. Note: SBP, systolic blood pressure; DBP, diastolic blood pressure; WC, waist circumference; HDL, high-density lipoprotein cholesterol; TG, triglyceride; FPG, fasting plasma glucose; HbA1c, haemoglobin A1c. Data are expressed as frequency count (%). Metabolic syndrome (MetS) was diagnosed according to the guideline of the United States National Cholesterol Education Program (NCEP) Expert Panel Adult Treatment Panel (ATP) III criteria, in which an individual diagnosed with MetS has three or more of following characteristics: 1) WC exceeds 90 cm or 80 cm for Asian male and female, respectively, 2) SBP equals or exceed 130 mmHg or DBP equals or exceeds 85 mmHg, 3) FPG equals or exceeds 5.6 mmol/L [100 mg/dL], 4) TG equals or exceeds 1.70 mmol/L [150 mg/dL]), and 5) HDL-C equals or is less than 40 mg/dL for male and 50 mg/dL for female)[19]. Elevated HbA1c is defined as HbA1c 5.7%.