| Group I | Group II | P value |
---|---|---|---|
QT interval (ms) | Â | Â | Â |
   Admission | 347 ± 10 | 381 ± 13 | 0.06 |
   24 hours after admission | 354 ± 8 | 377 ± 12 | 0.24 |
   72 hours after admission | 369 ± 7 | 378 ± 6 | 0.37 |
QTd interval (ms) | Â | Â | Â |
   Admission | 73 ± 7 | 110 ± 12 | 0.017 |
   24 hours after admission | 75 ± 10 | 124 ± 21 | 0.034 |
   72 hours after admission | 75 ± 9 | 61 ± 7 | 0.283 |