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Table 5 Spearman’s correlations between the adjusted 30-day mortality measures W30D, S30D and IH30D and mean length of stay (LOS)

From: Comparing hospital mortality – how to count does matter for patients hospitalized for acute myocardial infarction (AMI), stroke and hip fracture

  

Rank W30D†

Rank S30D‡

Rank IH30D§

AMI∥ (N=55)

Rank W30D

1.00

0.94

0.90

 

Rank S30D

 

1.00

0.82

 

Rank IH30D

  

1.00

 

Mean LOS

0.05

−0.11

0.15

Stroke (N=59)

Rank W30D

1.00

0.87

0.91

 

Rank S30D

 

1.00

0.78

 

Rank IH30D

  

1.00

 

Mean LOS

−0.22

−0.22

0.05

Hip fracture (N=58)

Rank W30D

1.00

0.81

0.66

 

Rank S30D

 

1.00

0.49

 

Rank IH30D

  

1.00

 

Mean LOS

−0.54

−0.35

−0.02

  1. ∥AMI: Acute myocardial infarction.
  2. †W30D: In-and-out-of-hospital mortality within 30 days, attributing the outcome to all hospitals by fraction of time spent in each hospital for transferred patients.
  3. ‡S30D: In-and-out-of-hospital mortality within 30 days, patients treated at one hospital only.
  4. §IH30D: In-hospital mortality within 30 days, for each hospital admission.
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BMC Health Services Research

ISSN: 1472-6963

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