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. Author manuscript; available in PMC: 2013 Sep 1.
Published in final edited form as: Pharmacotherapy. 2012 Jul 31;32(9):784–791. doi: 10.1002/j.1875-9114.2012.01122.x

Table 2.

Mean ALT activity for treatment groups in identified randomized controlled trials. Study subjects were ethanol users who were administered acetaminophen or placebo. Shaded areas show measurements obtained during administration of acetaminophen, unshaded those either at baseline, or after acetaminophen administration had ended.

Study Day N Placebo Acetaminophen
Mean (SD) N Mean (SD)
Kuffner9 0 98 36.5 (20.3) 101 34.5 (19.3)
2 95 37.3 (23.9) 101 32.9 (22.0)
4 96 41.9 (33.9) 98 40.2 (31.1)
Heard8 0 52 22.9 (8.4) 104 21.4 (7.5)
4 51 22.1 (8.8) 102 21.1 (7.5)
11 50 21.6 (7.9) 100 30.0 (18.6)
Kuffner10 0 137 46.7 (36.6) 306 49.4 (38.2)
2 129 45.3 (33.6) 282 45.7 (38.6)
3 123 46.7 (37.1) 269 45.9 (36.6)
4 120 50.5 (42.1) 262 49.0 (39.2)
5 119 54.9 (47.5) 256 57.1 (45.2)
Parra11 (2g) 0 12 37.3 (10.2) 12 32.3 (12.8)
14 12 36.9 (11.3) 12 45 (9)
28 12 34.5 (11) 12 36.5 (10.9)
Parra11 (4g) 0 * 12 37.3 (10.2)
14 * 12 55.2 (30)
28 * 12 36.5 (9.8)
Bartels6 0 22 38.7 (24.8) 23 32.9 (20.8)
1 21 38.8 (24.3) 23 34.3 (23.2)
2 20 40.6 (21.0) 22 34.4 (25.6)
3 19 42.1 (22.8) 21 37.3 (25.6)
4 17 47.2 (27.8) 17 44.8 (34.7)
Dart7 0 68 47.2 (32.6) 74 48.2 (36.9)
2 68 41.9 (27.3) 71 41.9 (33.9)
4 65 44.1 (37.5) 68 47.2 (41.9)
6 64 49.3 (42.1) 66 55.9 (44.8)
7 64 49.2 (42.4) 66 61.8 (50.4)
*

Parra11 compared placebo to 2g/day and 4/g day. Shaded areas show measurements obtained during administration of acetaminophen, unshaded those either at baseline, or after acetaminophen administration had ended.