Variables | OR (95% CI) | P-value | Adjusted OR (95% CI)a | P-valuea | Adjusted OR (95% CI)b | P-valueb |
---|---|---|---|---|---|---|
IDO expression level | ||||||
 Grade 1 | Ref | Ref | Ref | Ref | Ref | Ref |
 Grade 2 | 1.989 (0.821-4.821) | 0.128 | 2.090 (0.846-5.165) | 0.110 | 2.199 (0.880-5.491) | 0.092 |
 Grade 3 | 2.660 (1.130-6.259) | 0.025 | 2.857 (1.184-6.891) | 0.019 | 2.863 (1.180-6.947) | 0.020 |