Table 2: Descriptive statistics of HRV parameters calculated in all patients after electrical cardioversion.
| Daily Activity | Sleep | |||||||||||
| AF ER (Group1) 14 patients | no AF ER (Group 2) 20 patients | AF ER (Group1) 14 patients | no AF ER (Group 2) 20 patients | |||||||||
| Mean | SD | Mean | SD | p < | Mean | SD | Mean | SD | p < | |||
| Time domain | MeanRR | 860.9 | 125.9 | 888.6 | 131.3 | 1020.8 | 117.5 | 1051.1 | 140.0 | |||
| SDNN | 19.2 | 7.1 | 18.5 | 3.7 | 19.6 | 5.0 | 18.8 | 5.3 | ||||
| MeanHR | 71.9 | 10.7 | 69.8 | 9.5 | 59.7 | 7.0 | 58.1 | 7.3 | ||||
| SD HR | 2.3 | 0.9 | 2.3 | 0.6 | 1.7 | 0.7 | 1.4 | 0.5 | ||||
| RMSSD | 15.8 | 4.4 | 15.0 | 4.2 | 18.8 | 4.6 | 21.2 | 7.0 | ||||
| NN50 | 5.0 | 5.8 | 3.6 | 4.5 | 6.3 | 5.0 | 10.8 | 13.4 | ||||
| pNN50 | 1.6 | 1.9 | 1.1 | 1.2 | 2.2 | 1.8 | 3.8 | 4.6 | ||||
| SDNN/RMSSD | 1.2 | 0.3 | 1.3 | 0.3 | 1.1 | 0.2 | 0.9 | 0.2 | 0.05 | |||
| Frequency domain | FFT | VLF ms2 | 91.7 | 137.4 | 85.2 | 50.3 | 88.6 | 100.7 | 52.1 | 53.1 | ||
| LF ms2 | 242.0 | 196.3 | 189.5 | 90.9 | 177.6 | 126.9 | 153.7 | 107.7 | ||||
| HF ms2 | 84.8 | 64.9 | 61.8 | 38.7 | 117.6 | 78.9 | 155.6 | 118.0 | ||||
| VLF % | 16.1 | 11.0 | 23.0 | 7.8 | 0.05 | 18.9 | 12.5 | 12.6 | 7.6 | |||
| LF % | 59.6 | 11.1 | 56.5 | 8.4 | 46.2 | 14.9 | 42.5 | 15.1 | ||||
| HF % | 24.3 | 10.0 | 20.3 | 9.6 | 34.9 | 19.6 | 44.8 | 20.2 | ||||
| LF n.u. | 71.4 | 10.6 | 74.1 | 11.1 | 58.5 | 19.5 | 50.1 | 19.6 | ||||
| HF n.u. | 28.5 | 10.5 | 25.7 | 11.0 | 41.4 | 19.4 | 49.9 | 19.6 | ||||
| TP ms2 | 418.8 | 367.3 | 336.7 | 155.5 | 384.1 | 237.1 | 361.6 | 198.5 | ||||
| LF/HF | 3.5 | 2.4 | 4.8 | 3.0 | 2.3 | 1.5 | 1.6 | 1.2 | ||||
| AR | VLF ms2 | 91.9 | 95.6 | 86.4 | 39.3 | 92.4 | 77.1 | 53.5 | 43.8 | |||
| LF ms2 | 230.5 | 186.9 | 198.8 | 90.0 | 191.6 | 137.0 | 150.4 | 114.4 | ||||
| HF ms2 | 80.8 | 59.3 | 59.9 | 29.7 | 117.9 | 73.4 | 161.7 | 120.9 | ||||
| VLF % | 21.2 | 6.9 | 24.4 | 6.4 | 20.8 | 8.8 | 14.1 | 7.1 | 0.05 | |||
| LF % | 55.9 | 8.8 | 56.5 | 8.1 | 45.4 | 15.5 | 40.7 | 15.4 | ||||
| HF % | 22.8 | 9.1 | 19.0 | 8.2 | 33.8 | 19.3 | 45.0 | 19.7 | ||||
| LF n.u. | 71.2 | 10.4 | 75.2 | 10.0 | 58.5 | 20.5 | 48.6 | 20.0 | ||||
| HF n.u. | 28.6 | 10.3 | 24.7 | 9.9 | 41.4 | 20.5 | 51.3 | 20.0 | ||||
| TP ms2 | 403.4 | 317.0 | 345.3 | 138.5 | 402.2 | 225.6 | 365.9 | 203.4 | ||||
| LF/HF | 3.3 | 2.1 | 4.7 | 3.0 | 2.2 | 1.5 | 1.5 | 1.2 | ||||
| Non Linear | SD1/SD2 | 0.5 | 0.1 | 0.5 | 0.1 | 0.6 | 0.1 | 0.7 | 0.2 | 0.05 | ||
| SD1 | 11.2 | 3.1 | 10.6 | 3.0 | 13.3 | 3.3 | 15.0 | 4.9 | ||||
| SD2 | 24.5 | 10.1 | 23.7 | 4.9 | 24.1 | 6.9 | 21.6 | 6.7 | ||||
| RPlmean | 8.9 | 1.5 | 10.2 | 2.7 | 8.5 | 1.4 | 7.9 | 1.2 | ||||
| RPlmax | 113.5 | 64.8 | 150.8 | 87.2 | 77.2 | 30.4 | 64.7 | 28.7 | ||||
| RPrec | 26.1 | 5.2 | 29.3 | 6.4 | 23.7 | 5.8 | 20.0 | 4.6 | 0.05 | |||
| RPadet | 97.0 | 1.3 | 97.3 | 1.2 | 96.4 | 1.3 | 95.3 | 1.3 | 0.05 | |||
| RPshen | 2.9 | 0.2 | 3.0 | 0.2 | 2.9 | 0.2 | 2.8 | 0.2 | ||||
| DFA a1 | 1.2 | 0.2 | 1.3 | 0.2 | 1.0 | 0.3 | 0.9 | 0.3 | ||||
| DFA a2 | 0.5 | 0.1 | 0.6 | 0.1 | 0.4 | 0.2 | 0.4 | 0.1 | 0.05 | |||
| ApEn | 1.1 | 0.1 | 1.1 | 0.1 | 1.0 | 0.1 | 1.1 | 0.1 | ||||
| SampEn | 1.5 | 0.3 | 1.6 | 0.2 | 1.6 | 0.2 | 1.9 | 0.2 | 0.05 | |||
| d2 | 0.3 | 0.5 | 0.2 | 0.2 | 0.3 | 0.4 | 0.3 | 0.3 | ||||