A Cross-Sectional Study of the Association between Autoantibodies and Qualitative Ultrasound Index of Bone in an Elderly Sample without Clinical Autoimmune Disease
Table 6
Autoantibody prevalence amongst study participants.
Autoantibody
Negative all
Females
Males
Positive all
Females
Males
Borderline all
Females
Males
Anti-nuclear autoantibodies (; 850 females and 996 males)
865 (47%)
334 (40%)
518 (52%)
316 (17%)
172 (20%)
144 (14%)
669 (36%)
334 (39%)
334 (34%)
Extractable nuclear antigen autoantibodies (; 501 females and 477 males)
938 (96%)
477 (95%)
460 (96%)
27 (3%)
17 (3%)
10 (2%)
14 (1%)
7 (1%)
7 (1%)
Anti-neutrophil cytoplasmic autoantibodies (; 844 females and 995 males)
1406 (76%)
620 (73%)
782 (79%)
145 (8%)
88 (10%)
57 (6%)
292 (16%)
136 (16%)
156 (16%)
Anti-cardiolipin immunoglobulin G autoantibodies (; 840 females and 986 males)
1607 (88%)
742 (88%)
862 (87%)
223 (12%)
98 (12%)
124 (13%)
—
—
—
Rheumatoid factor autoantibodies (; 767 females and 899 males)
1641 (99%)
745 (71%)
893 (78%)
19 (1%)
12 (1%)
6 (1%)
—
—
—
Tissue transglutaminase autoantibodies (; 850 females and 996 males)
1731 (94%)
801 (70%)
926 (74%)
119 (6%)
49 (4%)
70 (6%)
—
—
—
Thyroid peroxidase autoantibodies (; 850 females and 994 males)
1688 (91%)
752 (66%)
933 (75%)
160 (9%)
98 (9%)
61 (5%)
—
—
—
Anti-cyclic citrullinated peptide autoantibodies (; 93 females and 95 males)
180 (96%)
90 (8%)
90 (7%)
8 (4%)
3 (3%)
5 (5%)
—
—
—
Data is presented as frequencies with proportions included in brackets.
