BioMed Research International / 2016 / Article / Tab 4

Research Article

A Retrospective Observational Study to Assess Prescription Pattern in Patients with Type B Aortic Dissection and Treatment Outcome

Table 4

Events rate of nonoperated TBAD patients.

Time intervalNumber of patients Numbercensored Number failedEvent rate (%)Total person-yearIncidence per 100 person-year

Primary endpoints (composite outcome)
≦6 months1831583.3%3.67408.72
6 months~1 year97222.2%7.6026.32
1 year~3 years40301025.0%88.5411.29
≧3 years393637.7%159.061.89
Overall106763028.3%258.8711.59

Hospitalization associated with aortic dissection
≦6 months1841477.8%3.67381.47
6 months~1 year109110.0%7.6013.16
1 year~3 years434037.0%88.543.39
≧3 years353325.7%159.061.26
Overall106862018.9%258.877.73

All-cause mortality
≦6 months64233.3%1.96102.04
6 months~1 year111019.1%9.1910.88
1 year~3 years4134717.1%97.287.20
≧3 years484624.2%182.941.09
Overall106941211.3%291.374.12

Referred to surgery repair
≦6 months106440.0%3.03132.01
6 months~1 year121118.3%9.0511.05
1 year~3 years454324.4%93.502.14
≧3 years393725.1%174.001.15
Overall1069798.5%279.583.22

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