Chronology of cardiac dysfunction after permanent pacemaker implantation: an observational 2 year prospective study in North India

Table 3 Echocardiographic parameters

	N	Minimum	Maximum	Mean	SD	p value
LVEF
At admission	96	28.0	60.0	51.47	9.83
Before discharge	96	28.0	60.0	51.73	9.54	0.084
1 month	94	26.0	60.0	50.10	9.88	0.000
6 month	90	24.0	60.0	47.83	10.41	0.000
RV SV
At admission	96	28.0	62.0	42.34	7.67
Before discharge	96	23.0	66.0	43.86	8.38	0.000
1 month	94	22.0	62.0	41.05	8.22	0.002
6 month	90	23.0	58.0	38.32	8.08	0.000
LV SV
At admission	96	22.0	70.0	44.58	9.21
Before discharge	96	25.0	75.0	46.29	8.71	0.000
1 month	94	24.0	68.0	43.37	8.45	0.010
6 month	90	22.0	64.0	41.10	8.73	0.000
CO
At admission	96	1.1	30.4	3.32	3.08
Before discharge	96	2.2	34.0	3.96	3.19	0.665
1 month	94	1.8	25.6	3.56	2.39	0.569
6 month	90	1.7	4.8	3.09	0.69	0.461
LV ESD
At admission	96	12.0	49.0	31.31	7.72
Before discharge	96	12.0	48.0	29.80	7.48	0.000
1 month	94	12.0	50.0	32.73	7.61	0.000
6 month	90	14.0	51.0	35.39	7.69	0.000
LV EDD
At admission	96	26.0	60.0	45.60	7.19
Before discharge	96	26.0	61.0	46.05	7.13	0.051
1 month	94	26.0	66.0	48.96	7.49	0.000
6 month	90	30.0	68.0	52.21	7.31	0.000
RV ESD
At admission	96	8.0	24.0	10.30	2.68
Before discharge	96	5.0	23.0	10.59	3.10	0.109
1 month	94	9.0	24.0	13.13	3.29	0.000
6 month	90	9.0	28.0	16.63	4.07	0.000
RV EDD
At admission	96	20.0	38.0	23.08	3.53
Before discharge	96	20.0	38.0	24.38	3.59	0.000
1 month	94	20.0	42.0	27.83	4.21	0.000
6 month	90	22.0	48.0	32.66	5.53	0.000
LAVI
At admission	96	17.0	55.0	23.86	4.83
Before discharge	96	13.5	57.0	24.83	5.29	0.000
1 month	94	15.1	56.6	27.08	5.46	0.000
6 month	90	14.7	57.5	29.50	6.18	0.000

ISSN: 2466-1171