Table 1 Input variables used in analyses

Demographic and anthropometric data

Age, gender, race, height, date of introduction of dialysis, name of primary disease

Laboratory test results

Pre- and post-dialysis WBC, RBC, Hb, Ht, Plt, Ret, TP, Alb, ALP, ChE, BUN, Cre, Na, K, Cl, Ca, IP, intact PTH, Fe, UIBC, FER, BNP, CRP

Prescription data

Drug name, dosage, number of days prescribed, and start date

Medical record entries that include the following keywords

Pulmonary congestion, pleural effusion, oxygen administration, edema, hypotension

Dialysis record

Membrane area of dialyzer, blood flow rate, injected drugs during dialysis, cardiothoracic ratio, median values of vital signs (blood pressure, pulse rate, body temperature), intradialytic hypotension