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Table 3 Characteristics of participants stratified by diagnosis of metabolic syndrome (MetS) according to fasting plasma glucose or HbA1c or both

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

 

No MetS

FPG-based diagnosis of MetS

HbA1c-based diagnosis of MetS

MetS by both FPG and HbA1c

Female (%)

51.5

51.4

59.5

53.0

Age (years)§

48.2 ± 15.0*† ‡

53.6 ± 12.2*

56.1 ± 13.2*

58.2 ± 12.1

Body mass index (kg/m2)§

22.6 ± 3.1*† ‡

25.3 ± 3.1*

25.4 ± 3.1*

26.1 ± 3.4

Waist circumference (cm)§

79.8 ± 9.4*† ‡

89.1 ± 8.0*

89.3 ± 8.4*

91.5 ± 8.7

Systolic blood pressure (mmHg)

120.0 (110.0-128.7)*† ‡

130.0 (120.0-142.3)*

131.0 (120.0-144.7)*

136.0 (123.3-149.3)

Diastolic blood pressure (mmHg)

79.3 (70.7-83.3)*† ‡

85.0 (80.0-90.7)

86.0 (80.0-91.0)

86.7 (80.0-91.8)

Fasting plasma glucose (mmol/l)

4.9 (4.6-5.3)*† ‡

5.9 (5.7-6.3)

5.0 (4.7-5.3)*†

6.4 (5.9-7.5)

HbA1c (%)

5.4 (5.1-5.6)*‡

5.4 (5.2-5.5)*

5.9 (5.8-6.1)*†

6.2 (5.9-6.8)

Total cholesterol (mmol/l)

4.7 (4.1-5.3)*‡

4.9 (4.3-5.7)*

5.0 (4.5-5.7)*

5.3 (4.7-6.0)

Triglycerides (mmol/l)

1.1 (0.8-1.5)*† ‡

2.0 (1.3-2.7)

1.8 (1.2-2.5)

1.9 (1.3-2.8)

LDL cholesterol (mmol/l)

2.8 (2.3-3.4)*† ‡

3.0 (2.3-3.5)*

3.1 (2.5-3.8)†

3.3 (2.6-3.9)

HDL cholesterol (mmol/l)

1.4 (1.2-1.7)*† ‡

1.2 (1.0-1.5)

1.2 (1.1-1.5)

1.2 (1.0-1.4)

Uric acid (mmol/l)

286.0 (233.0-349.0)*† ‡

336.5 (281.5-411.0)

318.0 (256.0-377.0))*†

328.0 (267.0-393.0)

HOMA2-IR

1.3 (0.9-1.8)*† ‡

1.9 (1.4-2.9)*

1.6 (1.2-2.2)*

2.2 (1.5-3.5)

Hemoglobin (g/dl)

141.0 (130.0-153.0)*†

145.0 (133.0-157.0)

142.0 (131.0-154.0)*

146.0 (135.0-159.0)

Albumin (g/dl)

47.3 (45.3-49.5)

47.5 (45.5-49.7)

47.3 (45.3-49.3)

47.8 (45.7-49.8)

Alanine aminotransferase (UI/L)

17.0 (13.0-25.0)*† ‡

21.0 (14.0-31.5)*

21.0 (15.0-29.0)*

23.0 (17.0-32.5)

Estimated glomerular filtration rate (ml/min per 1.73 m2)

76.7 (68.2-86.6)*†

73.7 (65.0-82.8)

74.4 (66.2-83.3)

72.8 (63.4-82.2)

C-reactive protein (mg/l)

1.0 (0.0-2.0)*‡

1.0 (1.0-3.0)*

2.0 (1.0-3.0)

2.0 (1.0-4.0)

Serum magnesium

0.9 (0.9-1.0)*‡

0.9 (0.9-1.0)*

1.0 (0.9-1.0)†

1.0 (0.9-1.0)

Transferrin (ng/ml)

2.8 (2.5-3.1)*‡

2.8 (2.5-3.1)*

2.9 (2.6-3.3)†

3.0 (2.6-3.3)

Soluble Transferrin receptor (ng/ml)

1.3 (1.1-1.6)

1.3 (1.1-1.7)

1.3 (1.0-1.6)

1.3 (1.1-1.6)

White blood cell count (×109/ml)

6.0 (5.0-7.1)*‡

6.1 (5.1-7.3)*

6.2 (5.3-7.5)*

6.5 (5.6-7.7)

  1. Data are medians (25th to 75th percentiles) or percent, except variables denoted by §, which are means ± SD.
  2. *P < 0.001 compared with individuals with MetS according to both FPG and HbA1c.
  3. †P < 0.001 compared with individuals with MetS according to FPG only.
  4. ‡P < 0.001 compared with individuals with MetS according to HbA1c only.