Participant characteristics on admission
| Age, mean (SD), years | 77.4 | (11.9) |
| Female, n (%) | 98 | (48.8) |
| No. of medications, mean (SD) | 6.4 | (4.1) |
| Cancer, n (%) | 36 | (17.9) |
| Diabetes mellitus, n (%) | 44 | (21.9) |
| Receiving public assistance, n (%) | 38 | (18.9) |
| Charlson Comorbidity Index score, mean (SD) | 2.0 | (2.2) |
| Serum sodium, mean (SD), mEq/L | 138 | (5.6) |
| Mini Nutritional Assessment Short-Form score, mean (SD) | 7.9 | (3.8) |