Table 6.

Concentrations of albumins, transferrin and transthyretin according to the Montreal classification of CD activity.

	Albumins (mg/mL) Me [Q1–Q3]	Transferrin (mg/mL) Me [Q1–Q3]	Transthyretin (ng/mL) Me [Q1–Q3]
Age at onset (years)
A1  <16	9.4 [4.0–36.2]	1.3 [1.0–5.3]	3.2 [2.0–3.5]
A2  17–40	17.2 [10.5–47.3]	1.3 [0.8–5.2]	3.0 [2.5–3.3]
A3  >40	23.6 [16.9–38.0]	2.8 [1.4–5.1]	2.5 [2.5–2.9]
p-value	0.0488 *	0.7563	0.4829
Localization
L1  Ileum	13.4 [7.2–25.8]	1.2 [0.8–2.4]	2.9 [2.5–3.3]
L2  Colon	46.8 [11.1–52.9]	3.2 [0.3–6.2]	2.4 [2.3–3.3]
L3  Ileum + colon	21.6 [8.6–47.2]	1.7 [0.9–8.3]	3.1 [2.6–3.4]
p-value	0.2663	0.3985	0.4127
Course of the disease
B1  No stenoses or fistulas	19.1 [11.1–32.4]	1.3 [0.8–6.2]	2.8 [2.3–3.4]
B2  Stenoses	15.3 [6.1–46.7]	1.5 [1.2–6.4]	3.1 [2.9–3.6]
B3  Fistulas	46.7 [6.1–52.9]	1.3 [0.9–5.2]	2.9 [2.4–3.1]
Perianal lesions	25.1 [1.3–50.6]	0.5 [0.3–2.1]	3.1 [2.7–3.3]
p-value	0.7083	0.7711	0.7006
CDAI
<150	47.2 [14.3–58.8]	1.2 [0.5–1.9]	3.2 [2.6–3.4]
150–220	19.7 [11.1–46.7]	2.0 [0.9–6.4]	2.9 [2.5–3.3]
221–450	17.2 [6.1–52.9]	2.5 [1.3–5.2]	2.8 [2.4–3.3]
>450	13.7 [2.2–27.8]	0.9 [0.2–1.3]	2.7 [2.1–3.1]
p-value	0.0334 *	0.1008	0.4962

* A univariate analysis. Post hoc multiple comparisons. Albumins: A1 vs. A2, p = 0.0321; A1 vs. A3, p = 0.0124; A2 vs. A3, p = 0.0452; CDAI < 150 vs. CDAI 150–220, p = 0.0373; CDAI < 150 vs. CDAI 221–450, p = 0.0131; CDAI < 150 vs. CDAI > 450, p = 0.0014; CDAI 150–220 vs. CDAI 221–450, p = 0.7772; CDAI 150–220 vs. CDAI > 450, p = 0.5332; CDAI 221–450 vs. CDAI > 450, p = 0.5337.