Table 3.
Meta-analysis of the incidence of pathogens in chicken and other poultry meat by packaging status. Heterogeneity analysis comprises between-study variability to total variability ratio (I2) and proportion of between-study variability explained by packaging status (R2).
| Microorganism | Product (n) | Pooled Prevalence | 95% CI Pooled Prevalence | Heterogeneity |
|---|---|---|---|---|
| Campylobacter spp. | Chicken |
I2 = 0.419 R2 = 0.018 |
||
| Packed (20) | 0.472 | (0.194–0.769) | ||
| Unpacked (9) | 0.471 | (0.131–0.841) | ||
| Other Poultry |
I2 = 0.211 R2 = NA * |
|||
| Packed (18) | 0.311 | (0.195–0.456) | ||
| L. monocytogenes | Chicken |
I2 = 0.330 R2 = 0.034 |
||
| Packed (37) | 0.185 | (0.114–0.287) | ||
| Unpacked (8) | 0.307 | (0.114–0.605) | ||
| Other Poultry |
I2 = 0.408 R2 = 0.047 |
|||
| Packed (18) | 0.125 | (0.074–0.201) | ||
| Unpacked (12) | 0.148 | (0.079–0.260) | ||
| Salmonella spp. | Chicken |
I2 = 0.455 R2 = 0.007 |
||
| Packed (17) | 0.031 | (0.010–0.097) | ||
| Unpacked (9) | 0.048 | (0.021–0.108) | ||
| Other Poultry |
I2 = 0.258 R2 = NA |
|||
| Packed (25) | 0.079 | (0.039–0.150) | ||
| S. aureus | Chicken |
I2 = 0.483 R2 = NA |
||
| Packed (15) | 0.408 | (0.165–0.708) | ||
| Other Poultry |
I2 = 0.313 R2 = 0.157 |
|||
| Packed (6) | 0.298 | (0.152–0.502) | ||
| Unpacked (5) | 0.413 | (0.189–0.679) |
(*) Not applicable.