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Differences in patients (mean ± SD or percentage) with and without diarrhea in the first study
| Parameter | Diarrhea | No diarrhea | P value |
| n | 49 | 206 | |
| Age (yr) | 74.9 ± 13.3 | 69.6 ± 16.5 | 0.028 |
| Gender | M: 20.0%F: 18.4% | M: 80.0%F: 81.6% | NS |
| Hospital stay (d) | 15.0 ± 10.1 | 11.1 ± 6.9 | 0.007 |
| Creatinine (mg/dL) | 1.5 ± 0.8 | 1.1 ± 0.6 | < 0.001 |
| Albumine (mg/dL) | 3.2 ± 0.2 | 3.4 ± 0.3 | 0.04 |
| BMI | 25.3 ± 4.7 | 26.1 ± 4.5 | NS |
NS: No significance; BMI: Body mass index.
