Factors influencing diagnostic delays in celiac disease

Table 2 Univariate and multivariate regression analyses of diagnostic delays in patients with celiac disease, mean ± SD

Measures	Diagnosed within 2 years	Delayed diagnosis group		Univariate regression analysis, OR (95%CI), P value	Multivariate regression analysis, OR (95%CI), P value
		Diagnosed within 2-5 years	Diagnosed over 5 years
Age at diagnosis	46.8 ± 13.1	51.3 ± 14.2	49.6 ± 10.3	1.02 (1.00-1.05), P = 0.063	1.01 (0.98-1.04), P = 0.554
Leukocytes	6.4 ± 1.9	5.6 ± 1.6	6.1 ± 1.8	0.83 (0.70-0.99), P = 0.042	0.83 (0.68-1.00), P = 0.051
Hemoglobin	119.6 ± 23.6	121.8 ± 23.1	118.2 ± 28.4	1.00 (0.99-1.01), P = 0.856
Total protein	68.7 ± 10.5	68.1 ± 9.9	65.8 ± 9.5	0.98 (0.95-1.01), P = 0.307
Serum calcium	2.1 ± 0.2	2.2 ± 0.2	2.2 ± 0.2	3.85 (0.76-19.45), P = 0.103	1.44 (0.23-8.80), P = 0.696
Thyroid stimulating hormone	4.0 ± 5.0	3.1 ± 2.4	3.5 ± 4.6	0.96 (0.89-1.04), P = 0.295
Blood urea nitrogen	4.0 ± 1.4	4.7 ± 1.7	4.9 ± 2.1	1.37 (1.10-1.71), P = 0.005	1.29 (1.01-1.65), P = 0.038
Serum iron	8.2 ± 3.1	10.5 ± 5.5	10.4 ± 9.3	1.10 (1.02-1.19), P = 0.016	1.07 (1.00-1.15), P = 0.063