Table 7.
Meta‐analyses affected by relevance screening performed by a single reviewer (shortcut 4 — reviewer A).
| Original SR‐MA | After shortcut | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Author | Meta‐analysis | Obs/trials/studies | Summary estimate (95% CI) | Q | p | I 2 | Obs/trials/studies | Summary estimate (95% CI) | Q | p | I 2 |
| Greig et al., 2012 | 3. Final carcass wash | 838/10/4 | OR 0.563 (0.414, 0.766) | 8.42 | 0.493 | 0.0% | 538/9/3 | OR 0.747 (0.497, 1.123) | 4.12 | 0.846 | 0.0% |
| Wilhelm et al., 2011 | 3. HACCP on Salmonella spp. Prevalence — beef | 7843/(n/a)/5 | OR 0.887 (0.530, 1.485) | 3.39 | 0.496 | 0.0% | 7532/(n/a)/4 | OR 0.953 (0.565, 1.608) | 0.98 | 0.805 | 0.0% |
| Wilhelm et al., 2011 | 4. HACCP on Salmonella spp. Prevalence — pork | 11540/(n/a)/3 | OR 0.776 (0.535, 1.123) | 10.45 | 0.005 | 80.9% | 10789/(n/a)/2 | OR 0.913 (0.658, 1.266) | 3.73 | 0.053 | 73.2% |
| Wilhelm et al., 2011 | 5. HACCP on Salmonella spp. Prevalence — poultry | 18938/(n/a)/3 | OR 0.392 (0.173, 0.886) | 76.34 | <0.001 | 97.4% | 18237/(n/a)/2 | OR 0.564 (0.262, 1.212) | 33.63 | <0.001 | 97.0% |
Obs, observations; CI, confidence interval; OR, odd ratio; Q, Cochran's Q statistic; n/a, not applicable, SMD, standardized mean difference.