| principal criterion |
| central obesity (waist circumference > 94cm men, > 80cm women) |
| at least two of the following parameters |
| serum triglyceride concentration > 1.7 mmol/l |
| serum HDL cholesterol < 1.03 mmol/l in men, < 1.29 mmol/l in women or specific therapy |
| arterial BP > 130/ > 85 mmHg or treated hypertension |
| fasting plasma glucose > 5.6 mmol/l or already diagnosed type 2 diabetes mellitus |