Table 2.

Hepatitis C testing stratified by demographic characteristics, co-morbidities, and ALT elevation (n = 9579)

	Tested No. (%)	Positive No. (%)
Demographics
Age
18-29 (n = 1571)	476 (30.3)	2 (0.4)
30-44 (n = 2443)	1006 (41.2)	61 (6.1)
45-54 (n = 2050)	999 (48.7)	173 (17.3)
55-64 (n = 1644)	737 (44.8)	148 (20.1)
≥65 (n = 1871)	585 (31.3)	54 (9.2)
Sex
Male (n = 2647)	1297 (49.0)	239 (18.4)
Female (n = 6932)	2506 (36.2)	199 (7.9)
Race/Ethnicity
White (n = 471)	198 (42.0)	36 (18.2)
African American (n = 3038)	1244 (40.9)	133 (10.7)
Latino (n = 4915)	1966 (40.0)	242 (12.3)
Oth/Unknown (n = 1155)	395 (34.2)	27 (6.8)
High-risk co-morbidities
Substance Abuse* (n = 558)	436 (78.1)	191 (43.8)
Etoh Abuse† (n = 171)	127 (74.3)	42 (33.1)
HIV‡ (n = 429)	375 (87.4)	129 (34.4)
STD⍰ (n = 271)	143 (52.8)	12 (8.4)
Cirrhosis‖ (n = 97)	87 (89.7)	45 (51.7)
ESRD¶ (n = 74)	63 (85.1)	6 (9.5)
Psychiatric diagnosis# (n = 1550)	771 (49.7)	121 (15.7)
ALT elevation
Any ALT > 40 U/L (n = 826)	555 (67.2)	169 (30.5)
All ALT ≤ 40 U/L (n = 8753)	3248 (37.1)	269 (8.3)
Combined Factors
Any risk factor (n = 5262)	2559 (48.6)	401 (15.7)
No risk factor (n = 4317)	1244 (28.8)	37 (3.0)
Total (n = 9579)	3803 (39.7)	438 (11.5)

^*ICD-9 or positive urine toxicology

^†ICD-9 for Etoh dependance or etoh liver disease or etoh level>=80

^‡ICD-9 or positive antibody test or western blot

^⍰STD= Sexually Transmitted Disease (not HIV): ICD-9 or Positive GC or Chlamydia PCR probe

^‖ICD-9 Code

^¶ESRD= End-Stage Renal Disease: ICD-9 code or procedure code for hemodialysis

^#ICD-9 for affective, anxiety, schizophrenia, or psychosis