Table 2. Outcome of PVC therapy for ventricular (V) burden, atrial (A) burden, and SVTs in Holter ECG group, and LA diameter, LVIDd, and LVEF in echocardiography group.

	Holter ECG						Echocardiography
	V burden (%)		A burden (%)		SVTs (episodes)		LA diameter (mm)		LVIDd (mm)		LVEF (%)
	OBS	Tx	OBS	Tx	OBS	Tx	OBS	Tx	OBS	Tx	OBS	Tx
N	22	64	22	64	22	64	29	48	29	48	29	48
Unadjusted
Baseline mean (SE)	7.58 (1.79)	16.46 (1.27)	0.37 (0.24)	0.19 (0.07)	0.27 (0.16)	33.08 (25.41)	36.94 (1.62)	40.45 (1.05)	51.59 (1.54)	55.85 (1.23)	57.26 (2.08)	50.64 (2.19)
End point mean (SE)	14.95 (2.53)	13.41 (1.27)	0.19 (0.11)	0.26 (0.10)	0.64 (0.30)	7.94 (3.92)	39.46 (1.93)	40.69 (1.21)	51.24 (1.75)	56.08 (1.29)	53.80 (1.89)	50.73 (1.95)
Difference between baseline and end point mean (SE)	7.36 (3.22)	-3.05 (1.46)	-0.18 (0.27)	0.07 (0.06)	0.36 (0.19)	-25.14 (25.35)	2.53 (1.06)	0.24 (0.79)	-0.35 (1.30)	0.23 (0.89)	-3.46 (1.61)	0.10 (1.44)
p-value	0.03	0.04	0.51	0.25	0.07	0.33	0.02	0.76	0.79	0.80	0.04	0.95
Idiopathic heart disease
Baseline mean (SE)	6.50 (1.85)	16.66 (1.51)	0.40 (0.30)	0.20 (0.09)	0.18 (0.13)	10.55 (7.36)	35.54 (1.74)	39.12 (1.52)	49.27 (1.64)	53.71 (1.75)	61.00 (1.35)	58.44 (2.64)
End point mean (SE)	16.04 (3.14)	12.87 (1.53)	0.02 (0.01)	0.25 (0.12)	0.29 (0.17)	5.53 (3.81)	38.34 (2.30)	38.95 (1.80)	48.12 (1.69)	54.24 (1.92)	56.61 (1.20)	57.38 (1.87)
p-value	0.03	0.03	0.23	0.24	0.43	0.28	0.03	0.81	0.43	0.62	0.03	0.53
Structural heart disease
Baseline mean (SE)	11.27 (4.84)	15.90 (2.40)	0.25 (0.23)	0.14 (0.07)	0.60 (0.60)	95.35 (93.86)	39.35 (3.13)	41.68 (1.44)	57.68 (2.60)	57.82 (1.80)	47.44 (5.49)	43.46 (3.06)
End point mean (SE)	11.23 (3.07)	14.90 (2.25)	0.74 (0.43)	0.28 (0.20)	1.80 (1.11)	14.59 (10.4)	42.40 (3.49)	42.30 (1.59)	59.41 (3.09)	57.77 (1.87)	46.41 (5.50)	44.62 (2.84)
p-value	0.99	0.73	0.42	0.53	0.11	0.41	0.16	0.65	0.56	0.98	0.75	0.62

CI, confidence interval; OBS, observation; SE, standard error; Tx, treatment; other abbreviations in Table 1 and 2.