Table 1 Comparison with Other Previous Meta-analyses
Author/Year | Singh S et al. 2017 | Noman AT et al. 2019 | Yu X et al. 2019 | Rawla P et al. 2019 | Current Meta-analysis |
|---|---|---|---|---|---|
Number of observational studies | 2 | 3 | 3 | 4 | 5 |
Number of participants | 1,893,537 | 2,613,713 | 2,613,713 | 2,616,139 | 2,829,385 |
Year of search strategy | 2017 | 2018 | 2019 | 2018 | 2019 |
OR/RR of AA or AD | AA (OR, 2.25; 95% CI,2.03–2.49) | AA or AD (OR,2.04; 95% CI, 1.67–2.48) | AA or AD (OR,2.20; 95% CI, 1.92–2.52) | AA or AD (RR,2.14; 95% CI, 1.93–2.36) | AA or AD (OR, 2.23; 95% CI, 1.80–2.77) |
AD (OR, 2.07; 95% CI, 1.33–3.21) | |||||
AD (OR, 2.79; 95% CI,2.31–3.37) | AD (OR, 2.25; 95% CI,1.42–3.56) | ||||
AA (OR, 1.74; 95% CI, 1.13–2.66) | |||||
GRADE | moderate | moderate | NR | moderate | moderate |
NNH | 618 (AA) | 1376 | NR | NR | 1301 |