Prevalence of IgA-antiendomysial antibody in a patient cohort with idiopathic low bone mineral density

Table 1 Demographic features and BMD values of EMA positive and negative patients

Mean	EMA negative(n = 122)	EMA positive(n = 13)
Age (yr)	59.2 ± 6.2	48.9 ± 4.3a
Gender (M/F)	6/116	8/5b
Pre-menopausal females (n = 46) (%)	42/46 (91.3%)	4/46 (8.7%)d
Post-menopausal females (n = 75) (%)	74/75 (98.7%)	1/75 (1.3%)d
Weight (kg)	65 ± 8.4	57 ± 4.1
Height (cm)	158 ± 6.7	157 ± 3.9
BMI (kg/m2)	26.5 ± 4.2	27.9 ± 3.1
Lumbar spine T-score	-2.8 ± 0.8	-2.9 ± 0.9
Femoral neck T-score	-3.1 ± 1.1	-3.0 ± 0.4
Lumbar spine z-score	-2.0 ± 0.9	-2.7 ± 2.2a
Femoral neck z-score	-1.9 ± 2.1	-2.4 ± 1.7a

^aP < 0.05 vs EMA negative groups (unpaired t-test); ^b,dP < 0.01 vs EMA negative groups (unpaired t-test); BMI: Body mass index.

Table 2 Laboratory findings of EMA positive and negative patients

Mean	EMA negative(n = 122)	EMA positive(n = 13)
25(OH) vitamin D (ng/mL)	19.8 ± 4.88	11.6 ± 1.89b
Parathormone (pmol/L)	42.7 ± 14.8	59.9 ± 18.6b
Hemoglobin (g/dL)	12.3 ± 1.5	11.9 ± 2.3
Mean corpuscular volume (fL)	88.7 ± 4.8	86.5 ± 3.2
Calcium (mg/dL)	9.7 ± 0.9	9.0 ± 0.5a
Phosphorus (mg/dL)	3.4 ± 0.4	3.2 ± 0.8
ALP (IU/L)	70.6 ± 21.8	71.4 ± 12.8
Vitamin B12 (pg/mL)	355.6 ± 121.7	302 ± 45.9

^aP < 0.05 vs EMA negative groups (unpaired t-test);

^bP < 0.01 vs EMA negative groups (unpaired t-test).