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Table 3 Factors influencing HSMR in pneumonia patients (9-year model, 2010–2018, n = 33)

From: Capturing the trends in hospital standardized mortality ratios for pneumonia: a retrospective observational study in Japan (2010 to 2018)

Contributing factors

HSMRs (HSMR > 100)*

Odds ratio

95% CI

P value

% of hospital with patient safety manager†

0.97

0.95–1.00

0.03

% of academic hospital††

0.98

0.96–1.00

0.10

% of weekend admission

1.14

0.91–1.42

0.27

% of patients referred¶

1.04

0.97–1.11

0.28

Negelkerke R2

 

0.36

 
  1. †Percentage of patients admitted into a hospital with patient safety manager
  2. ††Percentage of patients admitted into a hospital with academic status
  3. ¶Percentage of patients who had a referral letter on admission
  4. *HSMRs were classified into one of two groups, HSMR ≤ 100 and HSMR > 100
  5. CI Confidence interval
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Environmental Health and Preventive Medicine

ISSN: 1347-4715

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