Table 2.

ECG interval measurements

	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
QTc 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

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.