Immunosuppressive load calculation scale modified from Vasudev score (9)
| Immunosuppressive medication | Unit dose | Immunosuppression unit |
| Prednisolone | 5 mg/day | 1 |
| Azathioprine | 100 mg/day | 1 |
| Cyclosporine | 100 mg/day | 1 |
| Tacrolimus | 2 mg/day | 1 |
| Mycophenolate mofetil | 500 mg/day | 1 |
| Methotrexate | 15 mg/week | 1 |
| Leflunomide | 10 mg/day | 1 |
One unit of immunosuppression was assigned to the corresponding doses of agents.