Table 1.
Microbiological results for Legionella during the patient's hospitalisation.
| Day after admission (D) | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| D4 | D5 | D6 | D11 | D14 | D17 | D22 | D24 | D26 | D29 | D34 | D39 | D42 Surgery |
D43 | D54 | D72 | D380 | |
| Legionella urine antigen test | + | + | |||||||||||||||
|
| |||||||||||||||||
| Axenic culture (number of colonies on an agar plate) | |||||||||||||||||
| BAL specimen* | + (>500) |
+ (>500) |
+ (>500) |
+ (26) |
+ (5) |
+ (10) |
+ (1) |
+ (8) |
+ (3) |
+ (1) |
− | − | − | − | |||
| Lung abscess specimen | − | − | |||||||||||||||
|
| |||||||||||||||||
| L. pneumophila PCR Ct | |||||||||||||||||
| BAL specimen | 18.9 | 20.0 | 21.3 | 26.1 | 23.1 | 25.0 | 24.3 | 25.0 | 25.3 | 22.7 | 27.4 | 34.1 | >45 | ||||
| Lung abscess specimen | 17.3 | 16.0 | |||||||||||||||
| Serum specimen | 33.2 | 30.9 | 32.7 | 36.1 | >45 | ||||||||||||
BAL, bronchoalveolar lavage; Ct, cycle threshold; +, positive; and −, negative.
*except on D4: sputum specimen.