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Volume 14, Number 5—May 2008

Research

Increasing Hospital Admissions for Pneumonia, England

Caroline L. Trotter*Comments to Author , James M. Stuart†, Robert C. George‡, and Elizabeth Miller‡
Author affiliations: *University of Bristol, Bristol, UK; †Health Protection Agency, Stonehouse, Gloucestershire, UK; ‡Health Protection Agency Centre for Infections, London, UK;

Main Article

Table 2

Odds of death within 30 days of admission for hospitalized patients with a primary diagnosis of pneumonia*

Variable No. deaths (%) Adjusted odds ratio† (95% CI)
Year (April to March)
1997–98 17,743 (24.8) 1.00
1998–99 22,152 (27.2) 1.07 (1.05–1.10)
1999–2000 22,425 (28.2) 1.07 (1.04–1.10)
2000–01 19,392 (26.1) 0.94 (0.92–0.97)
2001–02 22,198 (26.5) 0.93 (0.90–0.95)
2002–03 23,352 (26.2) 0.89 (0.87–0.91)
2003–04 25,946 (26.7) 0.88 (0.86–0.90)
2004–05
25,379 (25.0)
0.80 (0.78–0.82)
Age, y
<65 13,576 (5.6) 1.00
65–74 25,349 (25.1) 4.34 (4.25–4.44)
75–84 67,526 (37.0) 7.77 (7.61–7.93)
>85
72,136 (47.2)
12.81 (12.55–13.08)
Sex
M 87,132 (25.2) 1.00
F
91,455 (27.6)
0.97 (0.96–0.98)
Comorbidity index
None 63,254 (16.9) 1.00
Mild 54,030 (31.9) 1.59 (1.56–1.61)
Moderate 33,598 (42.9) 2.47 (2.42–2.51)
Severe 27,705 (50.1) 3.72 (3.65–3.80)

*Results from a multivariable logistic regression. CI, confidence interval.
†Model includes year, age, sex, and coexisting conditions.

Main Article

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