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. Author manuscript; available in PMC: 2016 Oct 26.
Published in final edited form as: Int J Tuberc Lung Dis. 2015 Sep;19(9):1039–v. doi: 10.5588/ijtld.14.0829

Table A.1.

Demographic and clinical characteristics of adults enrolled in PREVENT TB and the nested case-control study

PREVENT TB
Case-control study
Hepatotoxicity* (n = 77)
n (%)
Symptomatic hepatotoxicity* (n = 52)
n (%)
Asymptomatic hepatotoxicity* (n = 24)
n (%)
No hepatotoxicity* (n = 6785)
n (%)
Cases (n = 49)
n (%)
Controls (n = 243)
n (%)
Demographic factors
Age, years, median [IQR] 44 [34–52] 44 [33–52] 47 [37–50] 37 [28–48] 44 [33–52] 46 [32–53]
Female sex 49 (64) 36 (69) 12 (50) 3065 (45) 33 (67) 107 (44)
Race
 White 52 (68) 39 (75) 13 (54) 3799 (56) 35 (67) 121 (60)
 Black 13 (17) 8 (15) 5 (21) 1780 (26) 10 (20) 76 (31)
 Asian/Pacific Islander 6 (7.8) 2 (3.9) 4 (17) 887 (13) 4 (8.2) 32 (13)
 North American Indian 2 (2.6) 1 (1.9) 0 (0) 109 (1.6) 0 (0) 7 (2.9)
 Other 4 (5.2) 2 (3.9) 2 (8.3) 210 (3.1) 2 (4.1) 7 (2.9)
Ethnicity
 Hispanic 25 (32) 16 (31) 9 (37) 2666 (39) 11 (22) 62 (25)
 Non-Hispanic 51 (66) 36 (69) 14 (58) 3591 (53) 37 (76) 144 (59)
 Not applicable (not in the United States or Canada) 1 (1.3) 0 (0) 1 (4.2) 528 (7.8) 1 (2.0) 37 (15)
Health factors
 BMI, kg/m2, median [IQR] 26 [23–28] 26 [23–28] 25 [23–28] 27 [24–31] 26 [23–30] 28 [24–31]
 HIV status
  Non-infected 41 (53) 25 (48) 15 (63) 3366 (50) 31 (63) 132 (54)
  Infected 2 (2.6) 1 (1.9) 1 (4.2) 149 (2.2) 2 (4.1) 9 (3.7)
  Unknown 34 (44) 26 (50) 8 (33) 3270 (48) 16 (33) 102 (42)
 History of chronic liver disease 15 (19) 10 (19) 5 (21) 322 (4.8) 11 (20) 16 (6.6)
 Elevated baseline AST 21/72 (29) 9/48 (19) 12/23 (52) 369/5151 (7.2) 11/46 (24) 15/168 (8.9)
Hepatitis serology results
 Hepatitis B virus co-infection 0 (0) 3 (1.2)
 Hepatitis C virus co-infection 12 (24) 23 (9.5)
Self-reported social factors
 Homeless >6 months 6 (7.8) 5 (9.6) 1 (4.2) 495 (7.3) 4 (8.2) 24 (9.9)
 Unemployed >12 months 10 (13) 7 (13) 3 (13) 769 (11) 7 (14) 25 (10)
 Correctional institute >1 month 7 (9.1) 3 (5.8) 4 (17) 377 (5.6) 3 (6.1) 18 (7.4)
 Current or past alcohol use
  None 28 (36) 22 (42) 6 (25) 3107/6777 (46) 17 (35) 119 (49)
  Use 36 (47) 21 (40) 14 (58) 3147/6777 (47) 24 (49) 110 (45)
  Abuse 13 (17) 9 (17) 4 (17) 469/6777 (6.9) 8 (16) 14 (5.8)
 Current or past IDU 10 (13) 8 (15) 2 (8.3) 254/6776 (3.8) 5 (10) 15 (6.2)
 Current cigarette smoker 28 (36) 18 (35) 10 (42) 1977 (29) 19 (39) 89 (35)
Anti-tuberculosis treatment factors
 Indication for TLTBI§
  Close contact 50 (65) 31 (60) 19 (79) 4711 (69) 29 (59) 181 (74)
  Recent converter 25 (32) 19 (37) 5 (21) 1798 (27) 18 (37) 50 (21)
  HIV-infected 0 (0) 0 (0) 107 (1.6) 0 (0) 8 (3.3)
  Fibrosis on chest X-ray 2 (2.6) 2 (3.9) 169 (2.5) 2 (4.1) 4 (1.7)
 9H 62 (81) 42 (81) 19 (80) 3353 (48) 41 (84) 95 (39)
*

Hepatotoxicity was defined as serum AST >3 × ULN with symptoms of nausea, vomiting, jaundice or fatigue, or AST >5 × ULN regardless of symptoms.

Symptoms were not assessed for one participant.

Hepatitis B and C serological and NAT tests were performed systematically only for participants in the nested case-control study.

§

Subjects were counted only once in the order presented. The total number of HIV-infected persons who were enrolled is listed separately in this table.

BMI = body mass index; HIV = human immunodeficiency virus; AST = aspartate aminotransferase; IDU = injection drug user; TLTBI = treatment for latent tuberculous infection; 9H =9 months of self-administered daily isoniazid at 5–15 mg/kg rounded to the nearest 50 mg, with a maximum dose of 300 mg; ULN = upper limit of normal; NAT = nucleic acid testing.