Volume 13, Number 1—January 2007
Research
Primary Pneumocystis Infection in Infants Hospitalized with Acute Respiratory Tract Infection
Hans Henrik Larsen*
, Marie-Louise von Linstow*, Bettina Lundgren*, Birthe Høgh*, Henrik Westh*, and Jens D. Lundgren*
, Marie-Louise von Linstow*, Bettina Lundgren*, Birthe Høgh*, Henrik Westh*, and Jens D. Lundgren*
Table 3
Univariate and multivariate OR (95% CI) for Pneumocystis jirovecii positivity (logistic regression analysis)*
| OR univariate (95% CI) | OR multivariate (95% CI)† | |
|---|---|---|
| LRTI | 1 | 1 |
| URTI (vs LRTI) | 2.74 (1.58–4.73) | 2.00 (1.05–3.82) |
| Other (vs LRTI) | 0.70 (0.20–2.41) | 1.06 (0.27–4.20) |
| Age Q1 | 1 | 1 |
| Age Q2 vs Q1 | 48.2 (11.3–205) | 47.4 (11.0–203) |
| Age Q3 vs Q1 | 7.98 (1.77–36.0) | 8.74 (1.92–39.7) |
| Age Q4 vs Q1 | 0.51 (0.05–5.71) | 0.60 (0.05–6.71) |
| Sex (M vs F) | 1.05 (0.62–1.77) | |
| Coexisting conditions | 0.61 (0.28–1.34) | |
| Reported fever | 0.51 (0.30–0.88) | |
| Fever‡ | 0.86 (0.50–1.49) | |
| RSV | 0.94 (0.56–1.58) | |
| Hospital days | 0.94 (0.88–1.01) |
*OR, odds ratio; CI, confidence interval; LRTI, lower respiratory tract infection; URTI, upper respiratory tract infection; M, male; F, female; RSV, respiratory syncytial virus.
†Including more variables in the model did not increase the fitness; including RSV showed it was not a confounder.
‡Defined by temperature at admission >37.5°C.
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