Table 5.
Outcomes related to PA:A ratio
| Reference | Study population, n | CT metric | Outcome | Results |
|---|---|---|---|---|
| Nakanishi et al71 | 1,326 (healthy patients) | PA:A >0.9 | Mortality | HR 3.2 (1.6–6.6)* |
| Baptista et al72 | 39 (acute PE) | PA | Mortality | NS |
| PA:A | Mortality | NS | ||
| wells et al7 | 3,464 (COPD) | PA:A >1 | Severe AECOPD | OR 3.44 (2.78–4.25)* |
| Any AECOPD | OR 1.86 (1.54–2.24)* | |||
| 2,005 (COPD) | PA:A >1 | Severe AECOPD (one year) | OR 2.8 (2.11–3.71)* | |
| Any AECOPD (one year) | OR 2.17 (1.71–2.74)* | |||
| Severe AECOPD (3 years) | OR 3.81 (3.04–4.78)* | |||
| Any AECOPD (3 years) | OR 6.68 (4.47–9.96)* |
Note:
*
P<0.01.
Abbreviations: AECOPD, acute exacerbation of chronic obstructive pulmonary disease; CT, computed tomography; HR, hazards ratio; OR, odds ratio; PE, pulmonary embolism; PA:A, pulmonary artery to aortic; NS, not statistically significant; COPD, chronic obstructive pulmonary disease.