Volume 14, Number 5—May 2008
Research
Increasing Hospital Admissions for Pneumonia, England
Caroline L. Trotter*
, James M. Stuart†, Robert C. George‡, and Elizabeth Miller‡
, James M. Stuart†, Robert C. George‡, and Elizabeth Miller‡
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.
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