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| Variable | For Log (IRR) | For Log (Crude HR) | For Log (Adjusted HR) | |||
|---|---|---|---|---|---|---|
| B (95% CI) | p-value | B (95% CI) | p-value | B (95% CI) | p-value | |
| F/U duration (year) | 0.09 (−0.15, 0.33) | 0.467 | −0.70 (−0.98, −0.43) | < 0.001 | 0.02 (−0.30, 0.35) | 0.892 |
| Lagging time (month) | −0.02 (−0.07, 0..03) | 0.467 | 0.18 (0.10, 0.26) | < 0.001 | −0.02 (−0.10, 0.05) | 0.505 |
IRR, incidence rate ratio; HR, hazard ratio; F/U, follow up; B: the regression coefficient of linear regression analysis.
