Table 1.

 Characteristics of the 27 study patients with pneumonia and positive urinary antigen test

	Sex	Age (years)	Diagnosis at admission	Main underlying diseases	Stay in ICU/FO	Delay between A and T*	Delay between T and R*	Delay between R and ST†*	Delay between R and NST*	Nosocomial legionellosis	Impact‡
1	Female	60	Fulminant hepatitis	Diabetes	Yes/Yes	11	1	NA	NA	Definite	No/No
2	Male	50	Pneumonia	None	Yes/No	4	1	−5	0	No	No/Yes
3	Male	59	Pneumonia	Thrombosis	No/No	2	1	0	2	No	Yes/No
4	Female	30	Fever/neutropenia	HD	No/No	2	0	0	10	No	Yes/No
5	Female	37	Pneumonia	AIDS, HCV	No/No	1	3	0	4	No	Yes/No
6	Female	46	Pneumonia	Alcoholism	No/No	3	1	−3	0	No	No/Yes
7	Male	60	Pneumonia	Stroke, hypertension	No/No	4	2	−5	0	No	No/Yes
8	Male	47	Pneumonia	None	Yes/No	2	0	−2	1	No	No/Yes
9	Female	3	Fallot’s tetralogy	Fallot’s tetralogy, PC	Yes/No	20	2	−2	2	Definite	No/No
10	Female	82	Myocardial infarct	Heart disease, WG	Yes/No	12	3	−3	−3	Definite	No/No
11	Female	78	Pneumonia	Hypertension	Yes/No	1	2	−2	0	No	No/Yes
12	Female	43	Pneumonia	None	No/No	0	2	0	0	No	Yes/Yes
13	Male	39	Pneumonia	Pneumothorax	Yes/No	1	5	−5	2	No	No/No
14	Male	75	Pneumonia	CD	Yes/Yes	37	2	0	12	Definite	Yes/No
15	Male	61	Pneumonia	Hypertension	Yes/No	1	2	−2	1	No	No/Yes
16	Female	67	Pneumonia	Rheumatoid polyarthritis	No/No	3	0	−1	0	No	No/Yes
17	Female	63	Pneumonia	COPD	Yes/No	0	4	−3	−4	No	No/No
18	Male	39	Pneumonia	AIDS	No/No	0	4	−4	0	No	No/Yes
19	Male	58	Renal Insufficiency	GS, renal transplantation	Yes/No	18	5	−7	5	No (infection during home leave)10	No/No
20	Male	78	Diverticulitis	Asthma	Yes/No	2	1	−1	−3	No	No/No
21	Male	74	Pneumonia	Cardiac failure	No/No	2	1	0	−2	No	Yes/No
22	Male	55	Pneumonia	Alcoholism	Yes/No	2	0	−2	3	No	No/No
23	Male	51	Pneumonia	Hypercholesterolaemia	No/No	2	2	−4	0	No	No/Yes
24	Female	75	Pneumonia	COPD	Yes/No	0	1	−1	13	No	No/No
25	Female	63	Pneumonia	Hypertension	No/No	1	2	0	0	No	Yes/Yes
26	Male	79	Pneumonia	Prostatic carcinoma	Yes/Yes	1	5	−6	2	No	No/No
27	Male	60	Pneumonia	Alcoholism	No/No	0	6	−3	0	No	No/Yes

*Measured in days; †negative values indicate that the patient had already been treated empirically with anti-legionella antibiotics; ‡impact of urinary antigen test on start of legionella treatment/stop of non-legionella treatment.

CD, cerebrovascular disease; COPD, chronic obstructive pulmonary disease; FO, fatal outcome; GS, Goodpasture’s syndrome; NST, stopping of non-specific treatment; PC, pseudomembranous colitis; R, result; ST start of specific treatment; T, test; WG, Wegener’s granulomatosis.