Table 2.
Type of Analysis | N | Adjusted OR (95% CI) | p-value |
---|---|---|---|
Primary propensity-matched analysis | 38,788 | 1.08 (1.02–1.14) | 0.004 |
GEEa adjusted by propensity score | 61,122 | 1.05 (0.99 –1.11) | 0.1 |
Inverse probability of treatment weights | 61,122 | 1.07 (1.00 – 1.13) | 0.03 |
Stratified by propensity score deciles | 38,788 | 1.06 (1.02 – 1.11) | 0.001 |
Multivariable-adjusted GEEa | 61,122 | 1.00 (0.95 – 1.06) | 0.88 |
Instrumental variable (per 10% incremental increase in hospital use of dopamine) | 61,122 | 1.05 (1.04 – 1.07) | < 0.001 |
GEE: generalized estimating equation logistic regression analysis with hospital clusters