TABLE 3.

Study demographics (valid specimens only)

Specimen and patient type	No. of subjects by age (yr):					Total
	<5	6 to 17	18–34	35 to 65	>65
BAL
Inpatient	8	18	61	366	212	666
Outpatient	15	8	5	93	38	159
Emergency department	0	1	4	11	5	21
Total	23	27	70	470	255	846
Sputum
Inpatient	102	64	68	252	196	682
Outpatient	13	21	7	18	14	73
Emergency department	23	22	11	14	11	81
Total	138	107	86	284	221	836