TABLE 4—

Number and Percentage of Persons With AIDS Diagnosis in the First Year After HIV Diagnosis by Exposure Category: St Louis, Mo, 1998–2002

	MSM	MSM and IDU	Man IDU	Women IDU	Het Man	Het Woman	Man Othera	Woman Othera
Diagnosed Before 1997	3077 (37)	269 (30)	224 (25)	130 (31)	102 (28)	338 (27)	90 (30)	46 (15)
Diagnosed After 1997	996 (38)	43 (40)	58 (43)	40 (45)	187 (35)	291 (27)	198 (16)	105 (6)

Notes. MSM = men who have sex with men; IDU = injection drug use; Het = heterosexual sex. The Centers for Disease Control and Prevention’s definition of AIDS was expanded in 1993, a change that could impact the percentage of people with and without an AIDS diagnosis before or after 1997.

^aExposed to HIV through other means such as blood products or confirmed other.