Table 4. – Comparison of blood pressure and heart rate variability before and after IF in patients with HT.
| Before IF Mean±SD | After IF Mean±SD | Comparison | |
|---|---|---|---|
| Systolic blood pressure (24 Hours) | 139.48±12.26 | 126.44±7.93 | p<0.001 |
| Diastolic blood pressure (24 Hours) | 84.26±7.54 | 76.35±5.36 | p=0.014 |
| Night Systolic blood pressure | 133.35±15.46 | 123.45±10.56 | p<0.001 |
| Night Diastolic blood pressure | 79.45±10.64 | 71.35±6.45 | p<0.001 |
| Maximum Heart Rate (beats/min) | 156.21±13.55 | 148.42±14.60 | p=0.041 |
| Minimum Heart Rate (beats/min) | 65.43±10.42 | 64.86±10.25 | p=0.634 |
| Average Heart rate (24 Hours) | 86.93 ± 10.44 | 74.55 ± 12.78 | p=0.042 |
| Average Heart Rate Night | 69.48±10.51 | 72.70±10.26 | p=0.067 |
| HF power | 193.93±63.02 | 216.00±76.07 | p=0.039 |
| LF/HF value | 4.75±1.36 | 3.95±1.49 | p=0.041 |
| SDNN (ms) | 126.16 ± 32.85 | 137.48 ± 30.56 | p=0.059 |
| RMSSD (ms) | 33.76 ± 14.39 | 37.02 ± 11.35 | p=0.042 |
| pNN50 (%) | 6.68 ±2.51 | 8.20±2.91 | p=0.063 |
High-frequency (HF) power, the ratio of low-high frequency (LF/HF), SDNN (standard deviation of all normal to normal RR [NN] intervals), RMSSD (the mean root square of the sum of squares of differences between adjacent NN intervals), pNN50 (the number of pairs of NN intervals that differ by more than 50 ms). Paired t-test