Can QRS morphology be used to differentiate between true septal vs. apparently septal lead placement? An analysis of ECG of real mid-septal, apparent mid-septal, and apical pacing.

Eur Heart J Suppl · 2020 · PMC7361669 · PMID 32694949

Europe PMC DOI

hedged sentences

0.0700

closest p · 1.4× alpha

0.3650

boldest claim

The sentences

borderline significanceP = 0.07so close (0.05 < p ≤ 0.1)

The difference between the true septum and false septum group had borderline significance ( P = 0.07), with transition zone showing up on V4 in the true septum group and on V5 in the false septum group.

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did not reach statistical significanceP = 0.365not close (p > 0.1)

The difference in axis deviation between true septum and false septum did not reach statistical significance ( P = 0.365).

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