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Coverage 
of 
confidence intervals
| iv | sra | sra.o | Cox | |
|---|---|---|---|---|
Scenario 1 ( ) |
96.4 | 87.4 | 93.6 | 67.2 |
Scenario 2 ( ) |
97.2 | 87.2 | 94.2 | 66.4 |
iv, the proposed instrumental variable estimator; sra, standard inverse probability of treatment weighted estimation of the marginal structural Cox model; sra.o, oracle inverse probability of treatment weighted estimation of the marginal structural Cox model; Cox, a standard time-varying Cox model.
