Multiple linear regression analysis of effect of MPE on inpatient and total medical cost.

Both of the two dependent variables in these models were the log transformation of inpatient costs and total costs.Model 1: crude.Model 2: adjusted for age and gender.Model 3: adjusted for diabetes status and number of comorbidities.Model 4: adjusted for eGFR, hemoglobin and serum albumin levels at initation of hemodialysis.Model 5: adjusted for insertion of double-lumen catheter at initiation of hemodialysis.Multiple linear regression analysis of effect of MPE on inpatient and total medical cost.