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Table 3 Comparison of arrhythmia indicators between the groups of EDM and MDM

From: Significant abnormal glycemic variability increased the risk for arrhythmias in elderly type 2 diabetic patients

  n Maximal heart rate (mean ± SD) Minimal heart rate (mean ± SD) Mean heart rate (mean ± SD) APB [M(Q1, Q3)] Couplets of A [M(Q1, Q3)] AT [M(Q1, Q3)] VPB [M(Q1, Q3)] Couplets of V [M(Q1, Q3)] VT [M(Q1, Q3)] Mean QTc (s) (mean ± SD)
EDM 73 100.26 ± 13.73 51.84 ± 9.99 67.93 ± 9.82 135 (35,382) 2 (1,8) 1 (0,3) 25 (3,303) 0 (0,0) 0 (0,0) 0.47 ± 0.01
MDM 34 112.27 ± 20.75 56.82 ± 17.84 73.22 ± 9.03 7 (2,18) 0 (0,0) 0 (0,0) 1 (0,3) 0 (0,0) 0 (0,0) 0.45 ± 0.00
P   0.017 0.222 0.026 <0.001 <0.001 <0.001 <0.001 0.034 0.122 0.029
  1. The difference was compared by independent sample t test or rank sum test
  2. APB atrial premature beats, Couplets of A Couplets of atrial premature beats, AT atrial tachycardia, VPB ventricular premature beats, Couplets of V Couplets of ventricular premature beats, VT ventricular tachycardia