Table 3.

Comparison of electromechanical dyssynchrony parameters between responders and non‐responders.

	Non‐responders N = 17	Responders N = 31	P
Baseline parameters
LPEI (ms)	153 ± 21	180 ± 35	0.009
LPEI ≥140 ms	15 (88%)	29 (94%)	0.61
IVMD (ms)	17 ± 39	49 ± 37	0.01
IVMD ≥40 ms	4 (25%)	21 (68%)	0.013
LVFT/RR (%) n = 32	49 ± 7	45 ± 7	0.14
LVFT/RR ≤ 40%	1 (8%)	4 (20%)	0.63
Pre‐discharge
LPEI (ms)	165 ± 45	147 ± 28	0.31
LPEI ≥140 ms	11 (65%)	18 (58%)	0.89
IVMD (ms)	25 ± 21	21 ± 22	0.52
IVMD≥40 ms	5 (29%)	5 (16%)	0.29
LVFT/RR (%)	49 ± 12	49 ± 11	0.77
LVFT/RR ≤ 40%	2 (15%)	4 (18%)	1
Difference baseline‐Pre‐discharge
Delta LPEI (ms)	12 ± 49	−33 ± 38	0.004
Delta LPEI >10 ms	7 (41%)	21 (68%)	0.14
Delta IVMD (ms)	9 ± 47	‐27 ± 36	0.01
Delta LVFT/RR n = 28	−1 ± 16	1 ± 9	1

IVMD, interventricular mechanical delay; LPEI, left pre‐ejection interval; LVFT, left ventricular filling time.