Kidney Transplant Evaluation Calculator

Kidney Donor Risk Index (KDRI), KDPI, and graft survival estimation for transplant candidacy.

Medical Disclaimer

This calculator is for informational and educational purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider before making decisions about your health. Never disregard professional medical advice or delay seeking it because of results from this tool.

Inputs

Donor Age (years)

Donor Creatinine (mg/dL)

Donor Height (cm)

Donor Weight (kg)

Donor Hypertension (0=No, 1=Yes)

Donor Diabetes (0=No, 1=Yes)

Recipient Age (years)

Tab to move between fields

Results

KDRI (Kidney Donor Risk Index)

KDPI (%)50%

Est. 5-Year Graft Survival84.5%

Age Match Score70/100

Age Difference10 years

How to Use This Calculator

Enter donor age (years), terminal serum creatinine (mg/dL), height (cm), and weight (kg).
Indicate donor comorbidities: hypertension and diabetes (0 = no, 1 = yes).
Enter recipient age (years).
Read the Kidney Donor Risk Index (KDRI): higher values indicate higher donor risk (median = 1.0).
Review KDPI (%) and estimated 5-year graft survival (%) to inform acceptance decisions.

How the result changes with Donor Age (years)

Donor Age (years)	KDRI (Kidney Donor Risk Index)
9.9	0.8
32	0.9
59	1.4
81	2.36

What each input means

Donor Age (years): Deceased donor age.
Donor Creatinine (mg/dL): Terminal serum creatinine of donor.
Donor Height (cm): Donor height in centimeters.
Donor Weight (kg): Donor weight in kilograms.
Donor Hypertension (0=No, 1=Yes): History of hypertension in donor.
Donor Diabetes (0=No, 1=Yes): History of diabetes in donor.
Recipient Age (years): Age of the transplant recipient.

What each result means

KDRI (Kidney Donor Risk Index): Higher values indicate higher risk. Median = 1.0.
KDPI (%): Kidney Donor Profile Index: percentage of donors with equal or lower risk.
Est. 5-Year Graft Survival: Approximate 5-year allograft survival based on KDPI.
Age Match Score: Donor-recipient age compatibility (closer ages = higher score).
Age Difference: Absolute age difference between donor and recipient.

How this is calculated

Worked example, using the default values

Identify Input Parameters
4 parameters
Donor Age (years) = 40, Donor Creatinine (mg/dL) = 1, Donor Height (cm) = 170, Donor Weight (kg) = 80 = 7 input(s) provided
Calculate KDRI
1 = 1
Calculate KDPI
50 = 50
Calculate Est. 5-Year Graft Survival
Est. 5-Year Graft Survival
84.5 = 84.5