ALB and peritonitis: The primary endpoint was composite treatment failure (catheter removal or peritonitis-related mortality ≤30 days).<h4>Results</h4>LASSO identified five independent predictors: effluent white blood cell count on Day 3 (Eff_WBC_D3), serum albumin (ALB), total cholesterol (TC), magnesium (Mg) and phosphorus (P).