Table 3 Overall odd ratio and sub group analysis for case–control studies results
From: Bladder cancer and human papillomavirus association: a systematic review and meta-analysis
Characteristics | Categories | No. of data sets | Pooled OR (%) (95% CI) | Heterogeneity |
|---|---|---|---|---|
I2% | ||||
Overall | – | 12 | 2.077 (0.940–4.587) | 75.839 |
Continent | Africa | 1 | 11.512 (0.600–220.996) | 0.000 |
Asia | 4 | 6.289 (2.167–18.250) | 0.000 | |
Europe | 7 | 1.125 (0.503–3.113) | 82.292 | |
Sample | FFPE | 4 | 2.584 (0.447–14.948) | 76.856 |
Frozen | 6 | 1.559 (0.511–4.756) | 76.355 |