Table 2.
Results of Preoperative HRV Analysis in Patients with and without Postoperative AF During the Follow-Up
|
Timing Preoperative HRV |
Postoperative AF at 7 Days | p-value | Postoperative AF at 3 Months | p-value | Postoperative AF at 6 Months | p-value | |||
|---|---|---|---|---|---|---|---|---|---|
| Yes (n=16) | No (n=101) | Yes (n=16) | No (n=100) | Yes (n=20) | No (n=96) | ||||
| ASDNN (ms) | 38.44 ± 25.24 | 46.27 ± 18.97 | >0.05 | 40.44 ± 30.12 | 46.27 ± 17.79 | >0.05 | 41.75 ± 25.80 | 46.24 ± 18.47 | >0.05 |
| Rmssd (ms2) | 19.63 ± 8.14 | 28.02 ± 12.30 | <0.05* | 24.25 ± 12.35 | 27.47 ± 12.04 | >0.05 | 23.30 ± 11.43 | 27.80 ± 12.13 | >0.05 |
| pNN 50 (%) | 3.23 ± 3.30 | 7.48 ± 7.57 | <0.05* | 5.88 ± 6.55 | 7.13 ± 7.40 | >0.05 | 4.58 ± 5.44 | 7. ± 7.53 | >0.05 |
| SDNN (ms) | 85.94 ± 40.95 | 104.50 ± 32.06 | <0.05* | 85.13 ± 45.23 | 105.23 ± 30.66 | >0.05 | 91.50 ± 42.81 | 104.74 ± 31.05 | >0.05 |
| SDANN (ms) | 74.00 ± 34.02 | 90.69 ± 31.02 | >0.05 | 73.31 ± 36.57 | 91.29 ± 30.28 | <0.05* | 81.25 ± 39.12 | 90.38 ± 29.88 | >0.05 |
| VLF (ms2) | 23.37 ± 19.32 | 25.74 ± 10.76 | >0.05 | 23.26 ± 21.63 | 25.93 ± 9.96 | >0.05 | 23.92 ± 18.23 | 25.90 ± 10.55 | >0.05 |
| LF (ms2) | 15.43 ± 19.53 | 16.55 ± 10.94 | >0.05 | 15.19 ± 19.77 | 16.73 ± 10.83 | >0.05 | 16.24 ± 17.48 | 16.58 ± 11.10 | >0.05 |
| HF (ms2) | 9.42 ± 8.74 | 11.75 ± 6.95 | >0.05 | 10.62 ± 9.15 | 11.65 ± 6.89 | >0.05 | 10.49 ± 8.40 | 11.72 ± 6.96 | >0.05 |
| LF/HF | 1.45 ± 0.55 | 1.44 ± 0.37 | >0.05 | 1.30 ± 0.51 | 1.47 ± 0.37 | >0.05 | 1.48 ± 0.53 | 1.44 ± 0.36 | >0.05 |
Notes: *(The bold values): Statistically significant difference. Entries are means±SD. P -values are nominal. Student’s unequal variance unpaired t-tests were used.