Specimen | No. of patients (%) | 95Â % CI % |
---|---|---|
 Bronchial secretion | 25 (30.5) | 20.5–40.5 |
 Tracheal secretion | 30 (36.6) | 26.2–47.0 |
 Sputum | 22 (26.8) | 17.2–36.4 |
 Throat swab | 1 (1.2) | 0–3.6 |
 Arterial blood culture | 0 | 0 |
 Venous blood culture | 9 (11.0) | 4.2–17.8 |
 Secretion drainage | 1 (1.2) | 0–3.6 |
Species | ||
 Haemophilus influenzae | 46 (56.1) | 45.4–66.8 |
 Haemophilus parainfluenzae | 37 (45.1) | 34.3–55.9 |