Results of Spearman rank correlation of the Simple Clinical Colitis Activity Index score with laboratory markers
| Laboratory marker | n | r | p |
| Albumin | 108 | −0.607 | <0.0001 |
| Haemoglobin | 113 | −0.585 | 0.0002 |
| Platelet count | 113 | −0.585 | 0.0002 |
| Haematocrit | 113 | −0.575 | 0.0003 |
| Erythrocyte sedimentation rate | 98 | 0.615 | 0.0001 |