slightly significantp = 0.05
studied the incidence and predictors of AKI in 367 cases with HCV and HIV coinfection, and reported that after adjustments, Heroin has a slightly significant HR of 1.62(1.01,- 2.60) p = 0.05, but loses statistical significance when cocaine use is subsequently added into the model with a hazard ratio (HR) of 1.28 (0.76–2.14) p = 0.35 [ 41 ].