| Relative risk (RR) | 95% confidence interval |
---|---|---|
Main analysis | ||
 LDCT vs. usual care | 0.86 | 0.75 to 0.98 |
 LDCT vs. CXR | 0.85 | 0.73 to 0.99 |
 CXR vs. usual care | 1.01 | 0.87 to 1.17 |
Sensitivity analysis | ||
 LDCT vs. usual care | 0.85 | 0.76 to 0.97 |
 LDCT vs. CXR | 0.86 | 0.75 to 0.98 |
 CXR vs. usual care | 0.99 | 0.89 to 1.12 |