Table 2.
Results of non-combinability test and bias assessment for prevalence estimation
| Non-combinability | Bias assessment | P value | Confidence interval | |||
|---|---|---|---|---|---|---|
| I 2 | Cochran Q | Egger | Harbord | |||
| Idiopathic pulmonary arterial hypertension | 97.6 % | 96 % to 98.3 % (95 %) | ||||
| 12.11 | 0.3457 | −49.67 to 73.90 (92.5 %) | ||||
| Not diagnosed by right heart catheterization | 35.34 | <0.0001 | ||||
| PAH in connective tissue diseases | 96.8 % | 96.2 % to 97.3 % (95 %) | ||||
| 6.04 | 0.0031 | 2.38 to 9.69 (95 %) | ||||
| 3.37 | 0.3225 | −2.93 to 9.67 (92.5 %) | ||||
| PAH in systemic sclerosis | 95.5 % | 94.1 % to 96.4 % (95 %) | ||||
| 5.34 | 0.0121 | 1.45 to 9.23 (95 %) | ||||
| 4.07 | 0.2382 | −2.37 to 10.51 (92.5 %) | ||||
| Diagnosed by echocardiography | 79.6 % | 50.9 % to 88.5 % (95 %) | ||||
| −1.62 | 0.5386 | −7.91 to 4.68 (95 %) | ||||
| −1.66 | 0.439 | −6.09 to 2.77 (92.5 %) | ||||
| Diagnosed by right heart catheterization | 92 % | 84.4 % to 95 % (95 %) | ||||
| 6.03 | 0.1071 | −2.39 to 14.45(95 %) | ||||
| 5.43 | 0.3774 | −8.66 to 19.53 (92.5 %) | ||||
| PAH in lupus | 1.43 | 0.2313 | ||||
| PAH in rheumatoid arthritis | 0.93 | 0.3351 | ||||