Table 2.
Comparison of concurrent diseases between collagenous colitis and the control group
| Disease | Number of patients affected | Percentage (%) | Compared to control group |
| Hyperlipidemia | 73 | 43.5 | NS |
| Diabetes type I and II | 24 | 15.8 | NS |
| Thyroid diseases1 | 36 | 21 | P < 0.001 |
| Rheumatoid arthritis | 12 | 7 | P < 0.001 |
| Fibromyalgia | 6 | 3.51 | NS |
| Raynaud/CREST syndrome | 5 | 2.92 | P < 0.01 |
| Giant cell/temporal arteritis | 3 | 1.75 | NS |
| Polymyalgia rheumatica | 2 | 1.16 | NS |
| SLE | 1 | 0.58 | NS |
| Scleroderma | 1 | 0.58 | NS |
| Celiac disease | 5 | 2.92 | P < 0.010 |
| IBS | 30 | 17.5 | P < 0.001 |
| IBD | 1 | 0.58 | NS |
1
Thyroid diseases including hypothyroidism, hyperthyroidism and Grave’s disease. SLE: Systemic lupus erythematosus.