Variables | Survivals (n = 196) | Cardiac deaths (n = 12) | P value |
---|---|---|---|
Standard deviation of all normal-to-normal intervals | 96.22 ± 27.86 | 64.52 ± 14.65 | <0.001 |
Standard deviation of average normal-to-normal intervals | 83.66 ± 26.65 | 58.47 ± 15.68 | 0.001 |
Average standard deviation of all normal-to-normal intervals | 43.40 ± 13.67 | 25.74 ± 6.84 | <0.001 |
Mean normal-to-normal intervals | 893.54 ± 115.46 | 826.85 ± 84.21 | 0.051 |
Triangle index (number%) | 27.48 ± 8.81 | 16.80 ± 4.20 | <0.001 |
Heart rate deceleration capacity | 6.31 ± 1.91 | 4.21 ± 1.44 | <0.001 |
Heart rate acceleration capacity | -6.27 ± 1.98 | -4.12 ± 1.42 | <0.001 |
Mean heart rates per hour (number) | 68.36 ± 9.00 | 73.50 ± 7.70 | 0.054 |