Summary of HLA class II associations in white patients with Crohn’s disease
| Strong positive association | Weak positive association | Weak negative association |
| DRB1*1302/DRB3*0301 (p=0.0066) | DPB1*0201 (p=0.0702) | DRB1*0401 (p=0.0173) |
| DPB1*0501 (p=0.0509) | DPB1*0402 (p=0.0783) | |
| DQB1*0201 (p=0.0168) | DQB1*03032 (p=0.0883) | |
| DQB1*0605 (p=0.0226) | DQB1*05031 (p=0.0883) |