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 | |||
|---|---|---|---|---|
|
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 |