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Volume 13, Number 1—January 2007


Primary Pneumocystis Infection in Infants Hospitalized with Acute Respiratory Tract Infection

Hans Henrik Larsen*Comments to Author , Marie-Louise von Linstow*, Bettina Lundgren*, Birthe Høgh*, Henrik Westh*, and Jens D. Lundgren*
Author affiliations: *Hvidovre University Hospital, Copenhagen, Denmark;

Main Article

Table 3

Univariate and multivariate OR (95% CI) for Pneumocystis jirovecii positivity (logistic regression analysis)*

OR univariate
(95% CI)OR multivariate
(95% CI)†
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 Q111
Age Q2 vs Q148.2 (11.3–205)47.4 (11.0–203)
Age Q3 vs Q17.98 (1.77–36.0)8.74 (1.92–39.7)
Age Q4 vs Q10.51 (0.05–5.71)0.60 (0.05–6.71)
Sex (M vs F)1.05 (0.62–1.77)
Coexisting conditions0.61 (0.28–1.34)
Reported fever0.51 (0.30–0.88)
Fever‡0.86 (0.50–1.49)
RSV0.94 (0.56–1.58)
Hospital days0.94 (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.

Main Article