Comparison of d-PPMI with i-PPMI
Some notable differences between the d-PPMI and i-PPMI patients are worth mentioning. As seen in Table 1, the i-PPMI patients were older by approximately 1 year (81.1 years vs 79.9 years, P=0.01), were more likely to have pulmonary vascular disease (such as pulmonary embolism), hypertension, ventricular tachyarrhythmias, uncomplicated diabetes, liver disease and coagulopathies. As seen in Table 2, the i-PPMI group had higher rates of advanced heart block (80.1% vs 9.5%; p<0.001) and a longer mean length of stay (7.0 vs 3.7 days, p<0.001). In terms of other conduction system disease, the i-PPMI were more likely to have preexisting right bundle branch block(13.3% vs 8.3%,p=0.002), left bundle branch block ( 0.7% vs 0%; p<0.001), non-specific heart block (1.4% vs 0.17%; p=<0.001)as well as bi-fascicular block(7.7% vs 3.1%,p<0.001).