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Table 3 Comparison of paced QRS groups regarding vector in leads I and III toward the groups of pacing site

From: Different lead locations guided by fluoroscopy and ECG parameters and their effect on patients functional status

 

Paced QRS vector configuration

P value

A (n)

B (n)

C (n)

Group 1

8 (53%)

4 (27%)

3 (20%)

0.045

Group 2

9 (36%)

10 (40%)

6 (24%)

0.057

Group 3

2 (20%)

1 (10%)

7 (70%)

0.02

  1. Group 2 “mid septum” has no significant difference regarding the QRS vector configuration, but group 1 “high septum” has significant difference that 53% of them has QRS vector configuration as group A and group 3 “low septum” has significant difference that 70% of them has QRS vector configuration as group C