Table 1.

Indications for Urinary Antigen Test for Streptococcus pneumoniae and Legionella pneumophila

Indication	SP UAT	LP UAT
ICU admission	x	x
Failure of outpatient antibiotic therapy	x	x
Leukopenia	x
Active alcohol abuse	x	x
Chronic liver disease	x
Asplenia	x
Recent travel		x
Pleural effusion	x	x

Indications shown are recommended in the 2007 Infectious Diseases Society of America and American Thoracic Society Community-acquired Pneumonia Guidelines [4].

Abbreviations: ICU, intensive care unit; LP, Legionella pneumophila; SP, Streptococcus pneumoniae; UAT, urinary antigen test.