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

BMC Endocrine Disorders

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

	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

The difference was compared by independent sample t test or rank sum test
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

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