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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