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Table 5 Pearson correlation between the RHI and other variables in patients with DFS

From: Assessment of heart rate variability (HRV) in subjects with type 2 diabetes mellitus with and without diabetic foot: correlations with endothelial dysfunction indices and markers of adipo-inflammatory dysfunction

   RHI
RHI Pearson Correlation 1
Sig. (2-tailed)  
N 63
MMSE corrected for age Pearson Correlation − 0.047
Sig. (2-tailed) 0.717
N 63
RMSSD (ms) Pearson Correlation 0.470
Sig. (2-tailed) 0.0001
N 63
SDANN5 MIN (ms) Pearson Correlation − 0.158
Sig. (2-tailed) 0.216
N 63
SD (ms) Pearson Correlation 0.374
Sig. (2-tailed) 0.002
N 63
LF (%) Pearson Correlation 0.022
Sig. (2-tailed) 0.862
N 63
HF (%) Pearson Correlation 0.395
Sig. (2-tailed) 0.001
N 63
LF/HF Pearson Correlation 0.280
Sig. (2-tailed) 0.026
N 63
Omentin-1 (ng/ml) Pearson Correlation 0.067
Sig. (2-tailed) 0.602
N 63
Vaspine Pearson Correlation − 0.151
Sig. (2-tailed) 0.237
N 63
  1. RHI, reactive hyperemia index; MMSE, Mini Mental State Examination; RMSSD, root mean square of the successive differences in 5 min; SDNN, standard deviation of the NN (R–R) intervals; SD, standard deviation; LF, low frequency; HF, high frequency; LF/HF, low frequency/high frequency