Variables

Total

(n = 36)

Non-PICM

(n = 30)

PICM

(n = 6)

p-value

Electrical dyssynchrony

QRS duration ≥130 ms

31 (86.1%)

26 (86.7%)

5 (83.3%)

0.829

Mechanical dyssynchrony

IVMD ≥40 ms

8 (22.9%)

6 (20.7%)

2 (33.3%)

0.516

LVPEP ≥140 ms

15 (42.9%)

11 (37.9%)

4 (66.7%)

0.207

SPWMD ≥130 ms

4 (11.8%)

2 (7.1%)

2 (33.3%)

0.071

RV paced (%)

≥20% RV paced

20 (55.6%)

14 (46.7%)

6 (100.0%)

0.024

≥40% RV paced

18 (50.0%)

12 (40.0%)

6 (100.0%)

0.019

Pre-procedural LVEF

65.2 ± 13.0

66.2 ± 13.4

66.1 ± 9.7

0.993

Post-procedural LVEF at 3 months

63.0 ± 15.0

65.6 ± 14.7

49.7 ± 8.1

0.015

Post-procedural LVEF <55%

9 (25.0%)

5 (16.7%)

4 (66.7%)

0.025

Difference between pre and post LVEF

3.1 ± 8.4

0.5 ± 5.9

16.4 ± 5.8

<0.001

Heart failure

10 (27.8%)

7 (23.3%)

3 (50.0%)

0.317