Table 17 Investigating the effect of excluding a study with a very large weight, (LAVECC) and/or a study with a very high RR (AUERBA) on the meta-analysis, estimate for current smoking for emphysema
Studies included | Fixed-effects RR (95% CI) | Random-effects RR (95% CI) | Ha |
|---|---|---|---|
All 22 studies | 2.61 (2.33-2.93) | 4.87 (2.83-8.41) | 11.54 |
Exclude AUERBA | 2.36 (2.10-2.65) | 3.62 (2.50-5.24) | 4.48 |
Exclude LAVECC | 4.95 (4.10-5.97) | 5.20 (2.85-9.49) | 8.50 |
Exclude both | 3.89 (3.21-4.71) | 3.85 (2.71-5.47) | 2.55 |