Table 4 Quality assessment of the included studies in meta-analysis
From: The composition of lung microbiome in lung cancer: a systematic review and meta-analysis
Study | Risk of bias assessment | |||
|---|---|---|---|---|
| Â | Selection (0-4) | Comparability (0-2) | Exposure (0-3) | Quality score |
Apopa et al. | 3 | 2 | 3 | 8 |
Nejman et al. | 3 | 1 | 3 | 7 |
Yu et al. | 3 | 1 | 3 | 7 |
Kovaleva et al. | 3 | 2 | 3 | 8 |