Table 3 Overall and gender-specific prevalence of COPD among individuals aged 40 years and older (combined crude prevalence of COPD estimated from 42 studies included in the analysis)
| Â | FR criteria | LLN criteria | |
|---|---|---|---|
Both genders | Total number of studies | 36 | 18 |
Total number of participants | 200,723 | 164,184 | |
Prevalence of COPD (%) (95% CI) | 12.64 (10.75–14.65) | 7.38 (5.47–9.553) | |
I2 (%) | 99.34 | 99.42 | |
p value | P < 0.0001 | P < 0.0001 | |
Men | Total number of studies | 29 | 13 |
Total number of participants | 77,353 | 57,583 | |
Prevalence of COPD (%) (95% CI) | 15.47 (12.22–19.02) | 8.67 (8.44–8.90) | |
I2 (%) | 99.29 | 94.75 | |
p value | P < 0.0001 | P < 0.0001 | |
Women | Total number of studies | 29 | 13 |
Total number of participants | 74,597 | 57,583 | |
Prevalence of COPD (%) (95% CI) | 8.79 (6.94- 10.828) | 8.001 (6.42–9.73) | |
I2 (%) | 98.58 | 96.00 | |
p value | P < 0.0001 | P < 0.0001 | |