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Table 5 Summaries of electrocardiogram characteristics of the three groups

From: Where is the exact origin of narrow premature ventricular contractions manifesting qR in inferior wall leads?

Group Number QRS pattern in leads V1 QRS pattern in leads V2-V3 Transition Zone QRS duration (ms)
R or rsR’ Rs rs or rS qRs or qR Rs orqRs RS(R/S > 1) RS(R/S ≤ 1) ≤V1 V3-V4
L-RCC ILT 16 6 9* 0 1 14* 2 0 16* 0 100.44 ± 3.49**
LAF 19 16*# 0# 0 3 6# 12 1 19* 0 116.07 ± 7.96*#
Failure 5 0 0 5 0 0 0 5 0 5 91.80 ± 6.94
  1. Annotation: compared with ablation failure group, *p < 0.01, **p < 0.05; compared with RCC-LCC LIT, # p < 0.01
  2. L-RCC ILT Left coronary cusp-right coronary cusp interleaflet triangle, LAF left anterior fascicle