Table 3 Results of subgroup meta- analyses for Campylobacter and reactive arthritis from studies published prior to July 2011
Variable | Summary estimate | Lower 95% CI | Upper 95% CI | I2 | Number of outcome measures |
|---|---|---|---|---|---|
Overall Estimate | 2.86% | 1.4% | 5.61% | 97.7% | 25 |
Follow Up Time | Â | Â | Â | Â | Â |
Over a year | 0.44% | 0.04% | 4.77% | 98.9% | 4 |
> 3Â months to < year | 3.42% | 14.84% | 12.92% | 91.0% | 4 |
< 3Â months | 5.92% | 3.51% | 9.81% | 94.2% | 11 |
Species | Â | Â | Â | Â | Â |
Jejuni | 3.29% | 2.18% | 4.93% | 58.8% | 11 |
Mix/undetermined* | 8.27% | 5.41% | 12.46% | 70.4% | 6 |
Group Size | Â | Â | Â | Â | Â |
Extra small | 4.55% | 1.99% | 10.07% | 66.7% | 10 |
Small | 3.73% | 1.99% | 6.33% | 87.1% | 8 |
Medium | ^ | ^ | ^ | ^ | 3 |
Large | 4.41% | 0.45% | 32.02% | 99.3% | 2 |
Extra large | 0.06% | 0.01% | 0.26% | 95.3% | 2 |