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Pre-disposing characteristics
| Characteristics | Mild Hyponatremia (n) | Moderate Hyponatremia (n) | Profound Hyponatremia (n) | |
|---|---|---|---|---|
| Pre-existing disease | Diabetes mellitus | 11 | 16 | 19 |
| Hypertension | 15 | 16 | 37 | |
| Liver disease | 0 | 1 | 2 | |
| Renal disease | 3 | 7 | 9 | |
| Chronic heart failure | 1 | 1 | 4 | |
| Hypothyroidism | 3 | 1 | 2 | |
| Others | 10 | 11 | 22 | |
| Pre-disposing factor | Poor intake | 6 | 5 | 20 |
| Vomiting | 4 | 6 | 22 | |
| Drugs | 8 | 8 | 18 | |
| Diarrhoea | 3 | 2 | 4 | |
| Sweating | 0 | 0 | 1 | |
