Risk factor

HR

95% CI

P

Mycophenolate mofetil in the immunosuppressive regimens

3.216

1.067 - 5.577

0.011

Early postoperative period

1.927

1.101 - 3.371

0.022

1 - 6 months after transplantation

2.935

1.934 - 4.454

<0.001

Azatioprine in the immunosuppressive regimens

0.720

0.526 - 0.986

0.04