Table 3.
Summary of meta-analysis results
| Outcomes | Pooled estimates | Heterogeneity | ||||
|---|---|---|---|---|---|---|
| NO. of studies | Prevalence (95% CI) | Model | Chi square | P | I square | |
| ACO | 27 | 2.0% (1.4–2.6) | Random | 88,698.3 | < 0.001 | 100% |
| Asthma-only | 19 | 6.2% (5.0–7.4) | Random | 9163.5 | < 0.001 | 99.8% |
| COPD-only | 22 | 4.9% (4.3–5.5) | Random | 15,367.2 | < 0.001 | 99.9% |
| ACO in asthma patients | 19 | 26.5% (19.5–33.6) | Random | 17,000,000 | < 0.001 | 100% |
| ACO in COPD patients | 22 | 29.6% (19.3–39.9) | Random | 280,000,000 | < 0.001 | 100% |
ACO Asthma-COPD Overlap, COPD Chronic Obstructive Pulmonary Disease, CI Confidence Interval