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Change in pre-operative and chronic beta blocker administration over time, across strata of cardiac risk.
| Arrival Heart Rate (mean, 95% CI) | Maximum Heart Rate (mean, 95% CI) | |||||
|---|---|---|---|---|---|---|
| 2003-2005 | 2006-2008 | p value | 2003-2005 | 2006-2008 | p value | |
| No Beta Blocker | 72 (68-76) | 69 (66-71) | 0.25 | 81 (77-86) | 79 (76-82) | 0.46 |
| Pre-Operative Beta Blockers | 72 (69-75) | 69 (68-72) | 0.28 | 81 (78-85) | 80 (78-81) | 0.38 |
| Chronic Beta Blockers | 67 (65-69) | 67 (65-69) | 0.52 | 77 (74-79) | 77 (75-77) | 0.69 |
