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Table 3 Relation of standardized ECG parameters to metabolic syndrome scores (range 0–5)

From: Association of metabolic syndrome and electrocardiographic markers of subclinical cardiovascular disease

ECG parameter All Non-obese (84%) Obese (16%) p value int
Heart rate 0.17 (0.15, 0.19) 0.16 (0.13, 0.19) 0.12 (0.09, 0.16) 0.137
P duration 0.07 (0.05, 0.10) 0.05 (0.02, 0.09) 0.00 (−0.04, 0.03) 0.027
QRS duration 0.04 (0.01, 0.06) 0.02 (−0.01, 0.06) 0.04 (0.00, 0.07) 0.466
PR interval 0.01 (−0.02, 0.04) 0.00 (−0.04, 0.04) 0.01 (−0.03, 0.04) 0.866
QTc interval 0.05 (0.02, 0.08) 0.04 (0.00, 0.07) 0.05 (0.01, 0.09) 0.335
P axis −0.10 (−0.12, −0.07) −0.08 (−0.12, −0.05) −0.01 (−0.05, 0.02) 0.001
T axis −0.07 (−0.10, −0.05) −0.07 (−0.11, −0.04) 0.04 (0.00, 0.08) <0.001
QRS axis −0.19 (−0.22, −0.16) −0.17 (−0.21, −0.13) −0.05 (−0.08, −0.02) <0.001
  1. Data are presented as β (95% CI); change in Z-score of ECG parameter per metabolic syndrome component. Results were based on weighted analysis. Multivariate model adjusted for age, sex, ethnicity, smoking, alcohol intake, education level, physical activity and statin use