| Variables tested |
Frequency% |
Sensitivity% |
Specificity% |
Positive predictive value% |
Negative predictive value% |
| ANA |
45 |
48.6 |
95.7 |
94.7 |
53.7 |
| ASMA |
47.5 |
51.4 |
87 |
86.4 |
52.6 |
| AMA |
2.5 |
2.7 |
100 |
100 |
39 |
| AL/KM |
7.5 |
8.1 |
100 |
100 |
40.4 |
| p-ANCA |
52.5 |
56.8 |
100 |
100 |
59 |
| ACA |
17.5 |
18.9 |
75.4 |
76.6 |
30.2 |
| Complete profile of autoantibodies |
100 91.4 95.1 100 |
ANA: Anti-nuclear antibodies. ASMA: Anti-smooth muscle antibody.
AMA: Anti-mitochondrial antibody. pANCA: Perinuclear anti-neutrophil cytoplasmic antibody.
AL/KM: Anti-liver kidney microsomal antibody. ACA: Anticardiolipin antibody |
