Skip to main content

Table 2 Proportions of metabolic syndrome (MetS) by fasting plasma glucose only, HbA1c only, and by both criteria

From: Impact of HbA1c criterion on the definition of glycemic component of the metabolic syndrome: the China health and nutrition survey 2009

  MetS by either FPG or HbA1c FPG-based diagnosis of MetS HbA1c-based diagnosis of MetS MetS by both FPG and HbA1c (overlap*)
Sex     
 Men 893 179 (20.0) 353 (39.5) 361 (40.4)
 Women 1115 189 (17.0) 519 (46.5) 407 (36.5)
Age, y     
 18-44 377 88 (23.3) 176 (46.7) 113 (30.0)
 45-64 1112 214 (19.2) 475 (42.7) 423 (38.0)
 ≥ 65 519 66 (12.7) 221 (42.6) 232 (44.7)
BMI categories     
 < 25 kg/m2 908 189 (20.8) 409 (45.0) 310 (34.1)
 25-30 kg/m2 902 148 (16.4) 395 (43.8) 359 (39.8)
 ≥ 30 kg/m2 198 31 (15.7) 68 (34.3) 99 (50.0)
WC categories     
 < 85/80 cm 235 44 (18.7) 119 (50.6) 72 (30.6)
 ≥ 85/80 cm 1773 324 (18.3) 753 (42.5) 696 (39.3)
BP status     
 < 120/80 mmHg 200 46 (23.0) 101 (50.5) 53 (26.5)
 120/80-140/90 mmHg 803 150 (18.7) 346 (43.1) 307 (38.2)
 ≥140/90 mmHg 1005 172 (17.1) 425 (42.3) 408 (40.6)
Settings     
 Urban 669 146 (21.8) 287 (42.9) 236 (35.3)
 Rural 1339 222 (16.6) 585 (43.7) 532 (39.7)
Regions     
 Southern 920 224 (24.3) 392 (42.6) 304 (33.0)
 Northern 1088 144 (13.2) 480 (44.1) 464 (42.6)
Education     
 Primary or below 1038 171 (16.5) 471 (45.4) 396 (38.2)
 Less than high school 573 121 (21.1) 232 (40.5) 220 (38.4)
 High school or above 397 76 (19.1) 169 (42.6) 152 (38.3)
  1. *Proportions of overlap between HbA1c- and FPG-based diagnosis of MetS are calculated as the number of MetS by both FPG and HbA1c divided by the number of MetS based on either FPG or HbA1c.
  2. FPG, fasting plasma glucose; BMI, body mass index; WC, waist circumference; BP, blood pressure.