Table 2 Uni- and multivariate analysis of comparison of patients with and without the appearance of left ventricular (LV) dysfunction
With LV dysfunctionWithout LV dysfunctionUnivariateMultivariatep Value
p Value95% CIOdds ratio
Number13226
Age (years)51 (12)42 (12)0.013*−0.0964 to 0.00431.280.075
Gender (F:M)8:5113:1130.418
Systolic blood pressure (mm Hg)133 (11)132 (11)0.819
Diastolic blood pressure (mm Hg)78 (8)76 (7)0.265
ComplicationsHT 0, HL 1HT 16, HL 100.311
DM 0DM 9
Beta-blockers (n)1200.886
Left ventricular ejection fraction (%) initial69 (7)64 (6)0.004*−0.3032 to −0.057218.20.002*
Left ventricular diastolic dimension (mm) initial45 (5)46 (4)0.579
PVCs (beats/day) initial29 224 (20 181)11 313 (10 916)<0.001*−0.0001 to −0.005285.4<0.001*
PVC grade (highly/moderate/less)9/1/337/104/85<0.001*−0.7182 to 1.60452.530.226
NSVT (>3 beats, %) initial38.417.70.062
  • *Statistically significant differences between the groups with and without LV dysfunction.

  • CI, confidence interval; DM, diabetis mellitus; HL, hyperlipidaemia; HT, hypertension; NSVT, presence of non-sustained ventricular tachycardia; PVC, premature ventricular contraction.