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. Author manuscript; available in PMC: 2019 Feb 1.
Published in final edited form as: Addiction. 2017 Aug 29;113(2):268–278. doi: 10.1111/add.13950

Table 2.

Weekly methamphetamine urine-positivity rates by treatment arm and overall treatment effect on urine positivity

Week IRR (95%CI) P-value
0 2 3 4 5 6 7 8 9 10 11 12

Placebo, n(%) 50 (74) 45 (76) 45 (67) 45 (60) 43 (58) 41 (66) 41 (66) 41 (68) 40 (60) 40 (73) 40 (70) 45 (64) 1.10 (0.93–1.30) 0.27
XRNTX, n(%) 49 (78) 45 (82) 46 (87) 46 (72) 46 (63) 43 (74) 44 (75) 42 (76) 43 (65) 41 (73) 41 (78) 47 (47)