Definition of abbreviations: PQ = paraquat; APACHEII = Acute Physiology and Chronic Health Evaluation; SOFA = Sequential Organ Failure Assessment; continuous variable are presented as means ± SD or me
†One in the 38 patients diagnosed of major depressive disorder had concurrent dysthymic disorder.$Subjects with substance use disorder all had another axis 1 diagnosis, except for 2 patients of alcoho
