Table 4 Sensitivity analysis of included studies
Study omitted | Year | Estimate | 95% confidence interval | |
|---|---|---|---|---|
Lower limit | Upper limit | |||
van Gestel JP [14] | 2005 | 1.3398983 | 1.1499814 | 1.5611796 |
Xiuquan F [12] | 2005 | 1.2905582 | 1.1106998 | 1.4995416 |
Zengming W [11] | 2011 | 1.3389788 | 1.1449463 | 1.5658935 |
Rossetti AO [15] | 2011 | 1.2942261 | 1.1188998 | 1.4970251 |
Xiang C [13] | 2016 | 1.3484002 | 1.1487684 | 1.5827239 |
Chunfen Z [17] | 2017 | 1.4206468 | 1.1158725 | 1.808663 |
Linzhi C [16] | 2017 | 1.2040412 | 1.0382174 | 1.3963504 |
Combined | 1.3135422 | 1.1318713 | 1.5243721 | |