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. 2016 Jun 10;7(4):433–446. doi: 10.1002/jrsm.1215

Table 8.

Meta‐analyses affected by relevance screening performed by a single reviewer (shortcut 4 — reviewer B).

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
Bucher et al., 2015 2. Immersion chilling with chlorine 300/6/4 SMD −1.955 (−2.609, −1.302) 32.14 <0.001 84.4% 220/5/3 SMD −1.960 (−2.977, −0.942) 31.99 <0.001 87.5%
Bucher et al., 2015 4. Immersion chilling with unspecific disinfectant — BaA trials 192/5/2 SMD −2.472 (−3.387, −1.156) 107.11 <0.001 96.3% All studies excluded n/a n/a n/a n/a
Bucher et al., 2015 7. Immersion chilling with unspecified disinfectant — ChT 316/4/3 OR 0.284 (0.026, 3.081) 12.68 0.005 76.3% 244/3/2 OR 0.297 (0.014, 6.165) 11.07 0.004 81.9%
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%
Greig et al., 2012 4. Pasteurization — steam 3286/17/6 OR 0.134 (0.080, 0.223) 25.07 0.069 36.2% 3006/10/5 OR 0.094 (0.066, 0.135) 9.75 0.371 7.7%
Greig et al., 2012 7. Overall pasteurization rate 3986/31/10 OR 0.092 (0.062, 0.135) 47.63 0.022 37.0% 3706/24/9 OR 0.076 (0.053, 0.109) 30.64 0.132 24.9%
Greig et al., 2012 9. Dry chill 925/9/4 OR 0.166 (0.114, 0.242) 4.59 0.800 0.0% 540/8/3 OR 0.222 (0.111, 0.442) 3.62 0.823 0.0%
Wilhelm et al., 2011 1. HACCP on aerobic bacterial counts 2486/(n/a)/3 SMD −0.747 (−0.943, −0.551) 5.16 0.076 61.3% 520/(n/a)/2 SMD −1.027 (−1.923, −0.132) 4.98 0.026 79.9%
Wilhelm et al., 2011 2. HACCP on E. coli prevalence 6236/(n/a)/3 OR 0.585 (0.298, 1.149) 9.77 0.008 79.5% All studies excluded n/a n/a n/a n/a
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% All studies excluded n/a n/a n/a n/a
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% All studies excluded n/a n/a n/a n/a
Wilhelm et al., 2011 5. HACCP on Salmonella spp. prevalence — poultry 16417/(n/a)/2 OR 0.392 (0.173, 0.886) 76.34 <0.001 97.4% All studies excluded n/a n/a n/a n/a

Obs, observations; CI, confidence interval; OR, odd ratio; Q, Cochran's Q statistic; n/a, not applicable, SMD, standardized mean difference.