CRP and AIDS: Using a two-piecewise Cox regression model adjusted for sex, age, BMI, CKD, chronic liver disease, diabetes, hypertension, AIDS, etiology of tuberculosis, anti-tuberculosis therapy, retreated TB, drug resistant TB, fever, ALT, AST, PaO2/FiO2 ratio, procalcitonin, C-reactive protein, mechanical ventilation use, renal replacement therapy, and multilobar pulmonary infiltrates, we found that the BAR threshold was 7.916 mg/g (Table 3).