Table 3.
Effects of EHR Usability on Surgical Patient Outcomes among Older Adults with Dementia
| Coefficient | Unadjusted | Adjusted for EHR adoption level | Adjusted for patient characteristics | Fully adjusted | |||||
|---|---|---|---|---|---|---|---|---|---|
| 30-day mortality | |||||||||
| EHR usability (reference: poorer) | OR (95% CI) | P | P | P | P | ||||
| Better | 0.80 (0.70–0.92) | 0.002 | 0.81 (0.80–0.94) | 0.002 | 0.77 (0.66–0.89) | <.001 | 0.79 (0.68–0.91) | 0.001 | |
| Moderate | 0.93 (0.82–1.06) | 0.287 | 0.93 (0.82, 1.05) | 0.236 | 0.91 (0.79–1.03) | 0.156 | 0.93 (0.81–1.07) | 0.325 | |
| Comprehensive EHR (reference: basic EHR or less) | __ | 1.03 (0.91–1.1) | 0.604 | __ | 1.03 (0.91–1.17) | 0.645 | |||
| 30-day readmission | |||||||||
| EHR usability (reference: poorer) | OR (95% CI) | P | P | P | P | ||||
| Better | 0.98 (0.88–1.8) | 0.653 | 0.98 (0.88–1.08) | 0.642 | 0.94 (0.84–1.04) | 0.210 | 0.93 (0.84–1.03) | 0.174 | |
| Moderate | 0.98 (0.88–1.08) | 0.636 | 0.97 (0.88–1.07) | 0.539 | 0.95 (0.86–1.05) | 0.377 | 0.94 (0.85–1.03) | 0.183 | |
| Comprehensive EHR (reference: basic EHR or less) | __ | 1.04 (0.96–1.13) | 0.347 | __ | 1.05 (0.96–1.14) | 0.259 | |||
| Length of stay | |||||||||
| EHR usability (reference: poorer) | IRR (95% CI) | P | P | P | P | ||||
| Better | 1.03 (0.97–1.09) | 0.356 | 1.03 (0.97–1.09) | 0.364 | 0.99 (0.95–1.04) | 0.695 | 0.98 (0.94–1.03) | 0.453 | |
| Moderate | 1.02 (0.97–1.07) | 0.424 | 1.01 (0.96–1.06) | 0.611 | 1.01 (0.97–1.05) | 0.685 | 1.00 (0.96–1.04) | 0.991 | |
| Comprehensive EHR (reference: basic EHR or less) | __ | 1.05 (1.00–1.09) | 0.047 | __ | 1.04 (1.00–1.08) | 0.070 | |||
Abbreviations. EHR: electronic health record, OR: odds ratio, IRR: incidence rate ratio, CI: confidence interval.