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Comparison of frequency of urinary potassium to urinary creatinine ratio at different times between intervention and control groups using Fisher’s exact test.
| Time | Melatonin group (N = 36) | Control group (N = 30) | Intergroup P-value | |||
|---|---|---|---|---|---|---|
|
| ||||||
| Number | (%) | Number | (%) | |||
| Baseline | ≤ 13 | 1 | 3.4 | 2 | 6.7 | 0.51 |
| > 13 | 28 | 96.6 | 28 | 93.3 | ||
|
| ||||||
| 24 h later (mEq/g creatinine) | ≤ 13 | 1 | 3.4 | 0 | 0 | 0.44 |
| > 13 | 28 | 96.6 | 25 | 100 | ||
|
| ||||||
| 5 days later (mEq/g creatinine) | ≤ 13 | 1 | 3.7 | 0 | 0 | 0.52 |
| > 13 | 26 | 96.3 | 25 | 100 | ||
