Idiopathic premature ventricular contractions and ventricular tachycardias originating from the vicinity of tricuspid annulus: Results of radiofrequency catheter ablation in thirty-five patients

Table 5 Comparision of the amplitude of R(r) or S (s) or QS in limb leads

Group	n	R_I	II		III		QS_aVR	R_aVL	aVF
Group	n	R_I	r(R)	s(S)	r(R)	s(S)	QS_aVR	R_aVL	r(R)	s(S)
PL	7	1.02 ± 0.44	0.09 ± 0.02	−0.50 ± 0.24	0.05 ± 0.03	−1.48 ± 0.67	−0.44 ± 0.18	1.13 ± 0.53	0.08 ± 0.02	−0.98 ± 0.51
ML	12	0.87 ± 0.21	0.33 ± 0.12^e	−0.24 ± 0.17^e	0.17 ± 0.09^e	−0.83 ± 0.35^e	−0.47 ± 0.12	0.83 ± 0.26^e	0.22 ± 0.09^e	−0.50 ± 0.22^e
AL	10	0.58 ± 0.17^ac	0.78 ± 0.28^ac	−0.08 ± 0.14^bc	0.38 ± 0.17^{b c}	−0.31 ± 0.25 ^ac	−0.69 ± 0.18^b	0.37 ± 0.32^{a c}	0.58 ± 0.21^{a c}	−0.21 ± 0.19 ^{a c}

AL, anterolateral portion; ML, midlateral portion; PL, posterolateral portion;
^ap < 0.01,^bp < 0.05, AL vs.ML; ^cp<0.01^,dp<0.05, AL vs.PL ;^ep<0.01,^fp<0.05, MLvs.PL.

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