Characteristics of 43 patients with lower respiratory tract infection
| *CAP (n=16) | *COPD (n=13) | CF (n=14) | |
| Median age (years (IQR)†‡ | 78 (69–84) | 69 (61–81) | 37 (25–48) |
| Female, n (%) | 6 (37.5) | 5 (38.5) | 4 (28.6) |
| Median body mass index (kg/m2) (IQR) | 26 (24–29) | 28.3 (23.7–29) | 21.7 (20.8–26.7) |
| Median CRP (mg/L) on admission (IQR)†‡ | 43 (15–101) | 20 (10–151.5) | 3.5 (2–7) |
| Diabetes, n (%) | 3 (18.8) | 3 (23.1) | 6 (42.9) |
| Median blood neutrophil count (108 /L) on admission (IQR) | 6 (5–10) | 7.7 (5.2–10.8) | 5.7 (3.9–9.5) |
| Duration of chronic infection (years) | NA | NA | 22.5 (6–38) |
Data are presented as % (counts), unless otherwise indicated.
*Patients with CAP and COPD with enough material and without other lung diseases and antibiotic treatment before enrolment.
†P <0.05 CAP vs CF by one-way ANOVA test or Kruskal-Walis test.
‡P <0.05 CF vs COPD by one-way ANOVA test or Kruskal-Walis test.
ANOVA, analysis of variance; CAP, community-acquired pneumonia; CF, cystic fibrosis; COPD, chronic obstructive pulmonary disease; CRP, C reactive protein; NA, not available.