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. 2023 Oct 31;16:4919–4930. doi: 10.2147/IJGM.S435901

Table 5.

Results of HRV Analysis at 7 Days’ Post-Surgery in Patients with and without Postoperative AF During the Follow-Up

Timing
HRV at 7 Days Postoperatively
AF at 3 Months p AF at 6 Months p
Yes (n=12) No (n=97) Yes (n=16) No (n=93)
ASDNN (ms) 29.75 ± 19.32 35.34 ± 21.49 > 0.05 35.56 ± 23.48 34.58 ± 20.97 > 0.05
rMSSD (ms2) 19.92 ± 7.93 22.40 ± 13.37 > 0.05 24.56 ± 15.92 21.71 ± 12.34 > 0.05
pNN 50 (%) 3.08 ± 3.49 5.16 ± 9.25 > 0.05 7.07 ± 10.06 4.56 ± 8.60 > 0.05
SDNN (ms) 66.17 ± 38.97 78.48 ± 34.27 > 0.05 80.75 ± 39.22 76.51 ± 34.22 > 0.05
SDANN (ms) 58.08 ± 35.49 65.42 ± 28.63 >0.05 68.81 ± 33.84 63.89 ± 28.67 >0.05
VLF (ms2) 15.66 ± 12.17 18.81 ± 11.80 > 0.05 17.69 ± 13.29 18.60 ± 11.63 > 0.05
LF (ms2) 10.45 ± 9.11 13.37 ± 12.25 >0.05 11.82 ± 10.84 13.26 ± 12.17 >0.05
HF (ms2) 7.06 ± 3.69 8.98 ± 6.43 > 0.05 9.14 ± 8.24 8.71 ± 5.84 > 0.05
LF/HF 1.40 ± 0.86 1.50 ± 0.60 >0.05 1.41 ± 0.74 1.50 ± 0.61 >0.05

Notes: Entries are means ± SD. P -values are nominal. Student’s unequal variance unpaired t-tests was used.