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Table 3 Baseline characteristics among status-change categories defined by international criteria of metabolic syndrome

From: Impact of longitudinal status change in metabolic syndrome defined by two different criteria on new onset of type 2 diabetes in a general Japanese population: the Tanno–Sobetsu Study

  Non-MetS-INT to Non-Met-INT Non-MetS-INT to MetS-INT MetS-INT to Non-MetS-INT MetS-INT to MetS-INT p
n 487 179 46 115  
Mean age (years) 57.8 ± 9.1 59.8 ± 7.8* 60.8 ± 7.5 62.8 ± 7.8* <0.001a
Men (%) 44.8 28.4# 65.2# 46.5 <0.001b
Family history of type 2 diabetes (%) 5.5 6.3 2.2 16.3# 0.005b
Body mass index (kg/m2) 22.5 ± 2.5 24.3 ± 2.7* 25.7 ± 2.1* 27.1 ± 2.4* <0.001a
Waist circumference (cm) 75.7 ± 8.3 79.8 ± 8.5* 91.7 ± 5.2* 89.7 ± 7.5* <0.001a
Systolic blood pressure (mmHg) 128.8 ± 17.4 135.4 ± 17.5* 145.2 ± 16.3* 150.4 ± 16.1* <0.001a
Diastolic blood pressure (mmHg) 76.3 ± 9.1 79.3 ± 9.3* 85.7 ± 9.3* 83.3 ± 9.0* <0.001a
Total cholesterol (mg/dl) 189.9 ± 30.7 196.6 ± 32.6* 194.8 ± 32.9 203.6 ± 33.1* 0.001a
Triglycerides (mg/dl) 93 (42–635) 125 (45–554) 141 (52–506) 157 (47–1127) <0.001§
HDL-C (mg/dl) 59.3 ± 13.2 51.5 ± 13.4* 50.6 ± 10.2* 46.7 ± 10.7* <0.001a
Fasting plasma glucose (mg/dl) 91.7 ± 8.9 95.1 ± 8.8* 100.6 ± 8.8* 101.6 ± 10.5* <0.001a
Smoking never smoker (%) 65.3 73.6 50.0 65.1 0.001b
Ex-smoker (%) 8.6 5.8 21.7 17.4  
Current smoker (%) 26.1 20.7 28.3 17.4  
Abdominal obesity (Asian criteria) (%) 12.3 27.4# 60.9# 87.2# <0.001b
High blood pressure (%) 45.4 64.9# 91.3# 94.2# <0.001b
High fasting plasma glucose (%) 13.3 23.1# 65.2# 53.5# <0.001b
High triglycerides (%) 10.7 25.5# 65.2# 60.5# <0.001b
Low HDL-C (%) 10.5 30.3# 47.8# 54.7# <0.001b
  1. Asian criteria of abdominal obesity, waist circumference ≥90 cm for men and ≥ 80 cm for women
  2. High blood pressure, systolic blood pressure ≥130 mmHg and/or diastolic blood pressure ≥85 mmHg and/or medication for hypertension
  3. High fasting plasma glucose, fasting plasma glucose ≥100 mg/dl; high triglycerides, triglycerides ≥150 mg/dl; Low HDL-C, HDL cholesterol <40 mg/dl for men and <50 mg/dl for women
  4. Continuous variables are expressed as means ± SD or medians (range)
  5. * p < 0.05 vs. Non-MetS to Non-MetS group using Dunnet’s test
  6. #p < 0.05 vs. Non-MetS to Non-MetS group using Bonferroni correction
  7. aAnalysis of variance (ANOVA)
  8. bFisher’s exact test
  9. cKruskal–Wallis test