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Table 2 ECG interval measurements

From: Electrocardiographic changes with the onset of diabetes and the impact of aerobic exercise training in the Zucker Diabetic Fatty (ZDF) rat

 

Sedentary Control

(SC) n = 10

Sedentary Diabetic

(SD) n = 12

Exercised Control

(EC) n = 12

Exercised Diabetic

(ED) n = 10

 

Baseline

Term

Baseline

Term

Baseline

Term

Baseline

Term

RR interval (sec)

0.195 ± 0.077

0.152 ± 0.041

0.158 ± 0.033

0.132 ± 0.012

0.191 ± 0.073

0.158 ± 0.048

0.157 ± 0.036

0.135 ± 0.012

QRS interval (sec)

0.016 ± 0.005

0.022 ± 0.002

0.020 ± 0.002a, f

0.022 ± 0.004

0.016 ± 0.004c, f

0.023 ± 0.003

0.020 ± 0.002c, e

0.021 ± 0.004

QT interval (sec)

0.043 ± 0.012

0.040 ± 0.005

0.064 ± 0.013a, f

0.051 ± 0.012a, f

0.045 ± 0.012c, f

0.041 ± 0.006c, f

0.062 ± 0.011c, e

0.052 ± 0.013c, e

QT c interval (sec)

0.105 ± 0.043

0.105 ± 0.020

0.163 ± 0.033a, f

0.134 ± 0.034a, f

0.111 ± 0.043c, f

0.106 ± 0.018c, f

0.159 ± 0.026c, e

0.134 ± 0.037c, e

PR interval (sec)

0.032 ± 0.010

0.030 ± 0.006

0.045 ± 0.011a, f

0.034 ± 0.008

0.036 ± 0.012c, f

0.030 ± 0.005

0.046 ± 0.011c, e

0.034 ± 0.009

  1. Data are means ± SEs for each group with n as indicated. Statistical significance: Between group differences at baseline or termination (term) of p ≤ 0.05; aSC vs SD, cEC vs ED, eSC vs ED and fSD vs EC.