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Table 4 Baseline characteristics among status-change categories defined by Japanese criteria of MetS

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-JP to non-Met-JP Non-MetS-JP to MetS-JP MetS-JP to Non-MetS-JP MetS-JP to MetS-JP p
n 644 116 33 34  
Mean age (years) 58.2 ± 8.9 60.9 ± 7.1* 62.2 ± 7.4* 61.2 ± 10.3 0.001a
Men (%) 34.9 53.5# 93.9# 85.3# <0.001b
Family history of type 2 diabetes (%) 6.2 6.9 3.0 17.6 0.087b
Body mass index (kg/m2) 22.9 ± 2.7 25.1 ± 2.8* 25.0 ± 1.9* 27.2 ± 3.3* <0.001a
Waist circumference (cm) 76.1 ± 8.3 84.2 ± 7.4* 89.9 ± 4.3* 94.2 ± 6.5* <0.001a
Systolic blood pressure (mmHg) 130.9 ± 18.2 137.1 ± 17.6* 144.9 ± 15.5* 146.3 ± 16.9* <0.001a
Diastolic blood pressure (mmHg) 77.0 ± 9.5 79.8 ± 8.5* 82.5 ± 7.4* 86.0 ± 8.5* <0.001a
Total cholesterol (mg/dl) 191.7 ± 31.4 200.3 ± 34.3* 192.7 ± 27.8 194.0 ± 31.0 0.064a
Triglycerides (mg/dl) 98.5 (42–635) 129.5 (51–1109) 186 (47–506) 181.5 (62–1127) <0.001c
HDL-C (mg/dl) 57.8 ± 13.3 51.4 ± 13.0* 46.0 ± 10.9* 43.6 ± 11.4* <0.001a
Fasting plasma glucose (mg/dl) 92.5 ± 9.0 96.0 ± 9.2* 100.2 ± 10.5* 103.0 ± 11.0* <0.001a
Smoking never smoker (%) 71.9 53.5 39.4 35.3 <0.001b
Ex-smoker (%) 7.0 14.7 24.2 26.5  
Current smoker (%) 21.1 31.9 36.4 38.2  
Abdominal obesity (Japanese criteria) (%) 10.3 34.5# 100.0# 100.0# <0.001b
High blood pressure (%) 52.3 67.2# 93.9# 97.1# <0.001b
High fasting plasma glucose (%) 4.0 7.8# 30.3# 38.2# <0.001b
High triglycerides (%) 15.2 32.8# 81.8# 70.6# <0.001b
Low HDL-C (%) 7.8 17.2# 30.3# 44.1# <0.001b
  1. Japanese criteria of abdominal obesity, waist circumference ≥85 cm for men and ≥90 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 ≥110 mg/dl; High triglycerides, triglycerides ≥150 mg/dl; Low HDL-C, HDL cholesterol <40 mg/dl for both men and 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 toNon-MetS group using Bonferroni correction
  7. aAnalysis of variance (ANOVA)
  8. bFisher’s exact test
  9. cKruskal–Wallis test