Multivariate analysis
| Variable | OR | 95% CI | P value |
| Waist circumference | 1.16 | 1.11 to 1.20 | 0.0004 |
| Age | 0.96 | 0.92 to 0.99 | 0.01 |
| Plasma osmolality | 1.09 | 1.02 to 1.17 | 0.009 |
| Urine osmolality | 1.00 | 1.00 to 1.01 | 0.05 |
| USG | 1.02 | 1.00 to 1.04 | 0.05 |
The covariates included were sex, the presence of hypertension, DM2 and dyslipidemia, age, systolic blood pressure, Charlson Index, HDL cholesterol, triglycerides, glucose, USG, urine and plasma osmolality.
DM2, type 2 diabetes; HDL, high-density lipoprotein; USG, urine specific gravity.