Factors influencing diagnostic delays in celiac disease

Table 6 Effect of each stratification factor on the relationship between blood urea nitrogen and delayed diagnosis

Variables	OR	95%CI	P value
Gender
Female	1.49	1.11-1.99	0.008
Male	1.26	0.88-1.8	0.206
Age (year)
< 45	1.26	0.89-1.69	0.197
45-65	1.67	0.91-3.06	0.099
> 65	1.24	0.88-1.75	0.215
Typing
Non-classical celiac disease	3.71	1.38-9.95	0.009
Classic celiac disease	1.26	1.01-1.57	0.042
Ethnic groups
Han nationality	1.45	0.8-2.65	0.224
Uygur	1.17	0.9-1.53	0.245
Kazak	1.64	1.02-2.64	0.040
Other ethnic	3.24	0.6-17.35	0.171
Combined vitamin D deficiency
No vitamin D deficiency	1.57	1.19-2.09	0.002
Have a vitamin D deficiency	0.86	0.53-1.38	0.528
Presence of anemia
No anemia	1.76	1.25-2.48	0.001
Having anemia	1.07	0.82-1.4	0.613
Number of hospitalizations
≤ 3	1.65	0.9-3.05	0.107
> 3	1.31	1.02-1.67	0.032
Level of education
Below junior high school	1.74	1.13-2.68	0.012
High school	1.2	0.83-1.75	0.339
Bachelor's degree or above	1.26	0.88-1.82	0.208
Job
Freelance	1.49	1.03-2.15	0.032
Contract	1.32	1-1.75	0.052
Pathology
Marsh II	1.29	0.98-1.7	0.073
Marsh III	1.5	1.05-2.16	0.027