Prof. J.P.N. Mishra
Table E 26: Comparative RRIV at different follow-up periods
| Group | Duration | Mean (sec.) | SD | SE | 't' |
| Control | 0 day | 0.87 | 0.09 | 0.01 | -1.19NS |
| Experimental | 0 day | 0.89 | 0.09 | 0.01 | |
| Control | 90 days | 0.86 | 0.08 | 0.01 | -2.88# |
| Experimental | 90 days | 0.92 | 0.09 | 0.01 | |
| Control | 180 days | 0.85 | 0.08 | 0.01 | -4.46## |
| Experimental | 180 days | 0.94 | 0.09 | 0.01 |
Above results show that the hypothesis no. 4 is accepted
Fig. R 12 Comparison of RR interval at different follow-up periods in control and experimental subjects
