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 interval | Number of patients | Numbercensored | Number failed | Event rate (%) | Total person-year | Incidence per 100 person-year |
| Primary endpoints (composite outcome) | ≦6 months | 18 | 3 | 15 | 83.3% | 3.67 | 408.72 | 6 months~1 year | 9 | 7 | 2 | 22.2% | 7.60 | 26.32 | 1 year~3 years | 40 | 30 | 10 | 25.0% | 88.54 | 11.29 | ≧3 years | 39 | 36 | 3 | 7.7% | 159.06 | 1.89 | Overall | 106 | 76 | 30 | 28.3% | 258.87 | 11.59 |
| Hospitalization associated with aortic dissection | ≦6 months | 18 | 4 | 14 | 77.8% | 3.67 | 381.47 | 6 months~1 year | 10 | 9 | 1 | 10.0% | 7.60 | 13.16 | 1 year~3 years | 43 | 40 | 3 | 7.0% | 88.54 | 3.39 | ≧3 years | 35 | 33 | 2 | 5.7% | 159.06 | 1.26 | Overall | 106 | 86 | 20 | 18.9% | 258.87 | 7.73 |
| All-cause mortality | ≦6 months | 6 | 4 | 2 | 33.3% | 1.96 | 102.04 | 6 months~1 year | 11 | 10 | 1 | 9.1% | 9.19 | 10.88 | 1 year~3 years | 41 | 34 | 7 | 17.1% | 97.28 | 7.20 | ≧3 years | 48 | 46 | 2 | 4.2% | 182.94 | 1.09 | Overall | 106 | 94 | 12 | 11.3% | 291.37 | 4.12 |
| Referred to surgery repair | ≦6 months | 10 | 6 | 4 | 40.0% | 3.03 | 132.01 | 6 months~1 year | 12 | 11 | 1 | 8.3% | 9.05 | 11.05 | 1 year~3 years | 45 | 43 | 2 | 4.4% | 93.50 | 2.14 | ≧3 years | 39 | 37 | 2 | 5.1% | 174.00 | 1.15 | Overall | 106 | 97 | 9 | 8.5% | 279.58 | 3.22 |
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