Comparison of HRV

Group	LF (Hz)		HF (Hz)		LF/HF		SDNN (ms)
	Before	After	Before	After	Before	After	Before	After
Aerobic Exercise (n=28)	612.6 ± 148.2	579.3 ± 164.3	112.6 ± 5.7	157.8 ± 8.9^d	4.51 ± 2.45	2.97 ± 1.87	65.7 ± 6.74	70.7 ± 7.31
Electro-Acupuncture (n=27)	609.9 ± 152.3	560.4 ± 173.4	109.7 ± 8.9	177.9 ± 5.9^ad	4.39 ± 1.55	2.28 ± 1.56	63.5 ± 6.08	76.8 ± 6.45^ad
Combination Therapy (n=28)	611.5 ± 149.6	551.4 ± 163.9	111.8 ± 3.2	179.5 ± 7.7^bd	4.32 ± 1.67	2.37 ± 1.66	63.7 ± 5.67	77.8 ± 5.43^bd
Control (n=25)	611.7 ± 139.8	609.8 ± 149.7	110.3 ± 3.3	119.3 ± 5.9	4.22 ± 1.08	3.97 ± 1.35	64.8 ± 5.77	67.9 ± 7.03

Table 3: Comparison of HRV after treatment (x ± SD). ^aAerobic exercise vs. Electro-acupuncture; ^bAerobic exercise vs. Combination therapy; ^cElectro-acupuncture vs. Combination therapy; ^dControl vs. experimental group; p<0.05.