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. 2025 Feb 25;11:e2682. doi: 10.7717/peerj-cs.2682

Table 2. Explanations of the employed HF dataset.

Variables Value range Measurement Explanation
Age 40–95 Year Patient age in years
Anaemia 0 (no), 1 (yes) Boolean Decrease of hemoglobin or blood cells
High blood pressure (HBP) 0 (no), 1 (yes) Boolean Whether the patient has blood pressure
Creatinine phosphokinase (Cr-Ph) 23–7,861 Mgc/L Level of the CPK enzyme in the blood
Diabetes 0 (no), 1 (yes) Boolean Whether the patient has diabetes Boolean
Ejection fraction (Ej-Fr) 14–80 Percentage Blood leaving percentage
Sex 0 (woman), 1 (man) Binary Whether the patient is man or woman
Platelets 25.01–850.00 Kilo platelets/mL Platelets in the patient blood
Serum creatinine (Ser-C) 0.50–9.40 mg/dL Level of creatinine in the patient blood
Serum sodium (Ser-S) 114–148 mg/dL Level of sodium in the patient blood
Smoking 0 (no), 1 (yes) Boolean Whether the patients smoke or not
Time 4–285 Days Patients follow-up period
Death-event 0 (survived), 1 (dead) Boolean Whether the patient died in the follow-up period