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Table 1 Legionnaires’ disease diagnostic tests

From: Legionella pneumonia in the Niagara Region, Ontario, Canada: a case series

Patient

Urinary antigen test

BAL real-time PCR

BAL culture

Sputum real-time PCR

Sputum culture

1

Positive

Negative

Negative

N/A

N/A

2

N/A

Positive

Negative

N/A

N/A

3

Positive

N/A

N/A

N/A

N/A

4

Positive

N/A

N/A

N/A

N/A

5

Positive

N/A

N/A

N/A

N/A

6

Positive

Positive

Negative

N/A

N/A

7

Positive

N/A

N/A

N/A

N/A

8

Positive

N/A

N/A

Positive

Positive

9

Positive

N/A

N/A

Positive

Positive

10

Negative

Positivea

Negative

N/A

N/A

11

Positive

N/A

N/A

Positive

Negative

12

Positive

N/A

N/A

N/A

N/A

13

Positive

N/A

N/A

N/A

N/A

14

Positive

Positive

Positive

N/A

N/A

  1. N/A Not applicable, BAL bronchoalveolar lavage, PCR polymerase chain reaction
  2. aNon-Legionella pneumophila
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Journal of Medical Case Reports

ISSN: 1752-1947