Table 3. Mean heart rate over time in patients that received 1 gram of magnesium (low dose magnesium group) and 2 grams of magnesium (high dose magnesium group). NS, no significant difference between the two groups.
| Time interval (hour) | Mean Heart Rate in the Low Magnesium Group, beats/min (SEM) | Mean Heart Rate in the High Magnesium Group, beats/min (SEM) | Significance |
|---|---|---|---|
| 0 | 147.5 (+4.0) | 147.4 (+5.0) | NS |
| 1 | 117.4 (+5.4) | 124.5 (+5.5) | NS |
| 4 | 104.2 (+4.7) | 111.7 (+7.6) | NS |
| 8 | 94.1 (+5.3) | 103.4 (+7.2) | NS |
| 12 | 91.1 (+8.5) | 90.7 (+5.9) | NS |
| 24 | 87.1 (+7.0) | 84.8 (+5.2) | NS |