Table 1. The effect of interventions on mean pulse rate (per min) of three groups.
| Group | Mean (SD) | Mean (SD) | P |
| Before | After 3 months | ||
| Control | 81.9 (5.0) | 79.7 (5.4) | 0.1006 |
| Yoga | 82.05 (6.1) | 79.2 (5.4) | 0.0068 |
| Calcium | 80.05 (8.0) | 78.8 (5.03) | 0.4666 |
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