Table 2.
Baseline resting values of time domain indices of heart rate variability in each clinical study.
| - | Ponikowski et al. (1997) [29] | Jiang et al. (1997) [30] |
Bonaduce et al. (1999) [31] |
Musialik-Łydka et al. (2003) [33] | Kocaman et al. (2010) [34] |
|---|---|---|---|---|---|
| SDNN (msec) | 114 ± 38 (Survivor) 84 ± 42 (Cardiac death) |
51 [42-75] (Event-free) 40 [26-43] (Had Event) |
116 ± 47 (Idiopathic) 111 ± 35 (Ischemic) |
147 ± 18 (Control) 85 ± 30 (HFrEF patients) |
121 [54-211] (NYHAI) 61 [10-234) (NYHA ≥II) |
| SDANN (msec) | 107 ± 39 (Survivor) 74 ± 38 (Cardiac death) |
43 [30-62] (Event-free) 30 [15-35] (Had Event) |
101 ± 51 (Idiopathic) 93 ± 31 (Ischemic) |
137 ± 21 (Control) 75 ± 26 (HFrEF patients) |
83 [32-185] (NYHAI) 51 [4-258] (NYHA ≥II) |
| rMSSD (msec) | 21 ± 11 (Survivor) 19 ± 9 (Cardiac death) |
16 [11–28] (Event-free) 19 [14–25] (Had Event) |
62± 39 (Idiopathic) 46±26 (Ischemic) |
30 ± 6.3 (Control) 26 ± 13 (HFrEF patients) |
32 [9-214] (NYHAI) 19 [6-204] (NYHA ≥II) |
| pNN50 (%) | 3.4 ± 4.9 (Survivor) 3.0 ± 3.8 (Cardiac death) |
1.3 [0.4–7] (Event-free) 1.9 [1.1–4.8] (Had Event) |
14±13 (Idiopathic) 11±10 (Ischemic) |
- | - |
Abbreviations: SDNN, standard deviation of NN intervals; SDANN, standard deviation of the normal-normal R-R period; rMSSD, root mean square successive difference; pNN50, percent of difference between adjacent normal RR intervals greater than 50 ms; HFrEF, heart failure with reduced ejection fraction; NYHA, New York Heart Association.