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Table 2 Mortality Hazard During Stay at Index Hospital by Patient Characteristics, Treatments and Time Cohort (n = 1,972)

From: Changes in practice patterns affecting in-hospital and post-discharge survival among ACS patients

Variables: Hazard Ratios 95% CI p-value Δχ2-value
Age 1.01 0.99–1.02 >0.28 1.16
Gender (male)* 0.78 0.55–1.10 >0.16 2.01
Race (white)* 1.16 0.73–1.87 >0.53 0.40
Charlson Index*** 2.03 1.43–2.88 <0.01 15.69
Ejection Fraction (<35%)*     8.71**
   35%–44% 0.96 0.46–2.03 >0.92 0.01
   ≥45% 0.38 0.18–0.82 <0.01 6.15
   missing 1.00 0.57–1.77 >0.99 <0.01
Invasive Procedures (none)*     23.01**
   CATH 0.31 0.17–0.58 <0.01 13.56
   PCI 0.42 0.23–0.79 <0.01 7.21
   CABG 0.19 0.08–0.47 <0.01 13.12
ACEIs & ARBs – in hospital 0.44 0.31–0.64 <0.01 18.66
Beta Blockers – in hospital 0.73 0.48–1.10 >0.13 2.31
Aspirin – in hospital 0.49 0.33–0.71 <0.01 13.87
Thrombolytics – in hospital 0.57 0.39–0.83 <0.01 8.51
Time Cohorts (MICH1)*     16.95**
   MICH2 1.46 0.99–2.15 >0.05 3.57
   HARP 0.16 0.05–0.46 <0.01 11.48
  1. * Reference categories are in parentheses;
  2. ** χ2-difference value for all categories of variable;
  3. *** Natural logarithm of Charlson Index
  4. Model Information:
  5. No. of In-hospital Deaths: 138; Model Likelihood Ratio χ2 (df: 16) = 282.51;
  6. Harrel's Concordance Statistic: 0.90