| Risk association | Confidence interval | P value |
---|---|---|---|
Beta interferon | – 4.62 | −8.40, −0.84 | 0.018 |
Alpha interferon | – 1.24 | −6.71, 4.24 | 0.652 |
Ribavirin | 0.78 | −3.34,4.90 | 0.704 |
Viral treatment | – 5.98 | −9.73, −2.23 | 0.002 |
Mycophenolate mofetil | – 7.91 | −12.90, −2.91 | 0.003 |
Hydrocortisone | 3.03 | −3.62,9.68 | 0.364 |