TABLE 2. Values of the Mean and Standard Deviation of Different ECG Wave Interval (RR, QT and TQ) Parameters in CAN-, ECAN and DCAN Groups.

ECG wave interval parameters	CAN-(72)	ECAN (55)	DCAN (15)	p value
mRR (ms)	931.16 ± 118.87	914.74 ± 124.65	903.39 ± 129.98	0.545
SDRR (ms)	44.79 ± 17.01	33.25 ± 12.80#	23.38 ± 8.52*	2.55e-7
mQT (ms)	365.91 ± 25.72	387.39 ± 24.57#	392.35 ± 30.13*	1.34e-5
SDQT ms	4.14 ± 1.84	3.99 ± 2.04	3.28 ± 1.87	0.147
mTQ (ms)	565.71 ± 104.12	527.35 ± 109.44	511.03 ± 109.28	0.063
SDTQ (ms)	43.58 ± 16.64	32.32 ± 12.58#	22.91 ± 8.26*	3.33e-7

All values are shown as mean ± STD

^*indicates CAN- group is statistically significantly different from DCAN group

^#indicates CAN- is significantly different from ECAN group for the particular wave interval feature.