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. 2012 Dec 14;7(12):e51812. doi: 10.1371/journal.pone.0051812

Table 4. Multivariate Cox regression models for prediction of sudden arrhythmic death and all-cause mortality with SAI QRST as continuous variable in patients with and without bundle branch block.

SCD/VF/VF Total mortality
Predictor Hazard ratio (95% CI) P value Hazard ratio (95% CI) P value
All patients BUN, mg/dL 1.02(1.00–1.03) 0.042 1.04(1.02–1.05) <0.001
CHF NYHA class>II 1.61(1.10–2.34) 0.013 1.12(0.73–1.71) 0.604
SAI QRST per 100 mV*ms 1.30(1.09–1.56) 0.004 1.25(1.02–1.52) 0.029
Bundle branch block 0.95(0.60–1.49) 0.808 1.40(0.85–2.31) 0.184
BBB patients BUN, mg/dL 1.01(1.00–1.03) 0.049 1.04(1.02–1.05) <0.001
CHF NYHA class>II 1.62(1.11–2.36) 0.012 1.13(0.74–1.74) 0.573
SAI QRST per 100 mV*ms 1.30(1.04–1.63) 0.020 1.17(0.78–1.73) 0.450
Non-BBB BUN, mg/dL 1.01(1.00–1.03) 0.049 1.04(1.02–1.05) <0.001
CHF NYHA class>II 1.62(1.11–2.36) 0.012 1.13(0.74–1.74) 0.573
SAI QRST per 100 pmV*ms 1.31(0.96–1.77) 0.088 1.28(1.02–1.61) 0.035