QTc Before and After Cisapride Treatment
| Group A | Group B | |
|---|---|---|
| Number of infants | 60 | 40 |
| Age in mo | ||
| Mean (SD) | 4.8 (1.1) | 5.8 (1.0) |
| Range | 3–7 | 3.5–7 |
| QTc interval in milliseconds | ||
| Before initiation of treatment | ||
| Mean (SD) | 390 (18) | |
| Number with QTc >440 | 0 | |
| After initiation of treatment | ||
| Mean (SD) | 400 (20) | 403 (27) |
| Number with QTc >440 | 1 | 1 |
| Number with increase in QTc >10 | 30 | |
| Number with arrhythmia | 0 | 0 |
SD indicates standard deviation; QTc, corrected QT interval.