Table 1

Sensitivity and specificity of ANA and its clinically important subtypes [18,19]

Autoantibodies
Associated CTD
Sensitivity
Specificity

ANA
SLE
93
57

Sjogren's syndrome
48
52

SS
85
54

PM/dermatomyositis
61
63

Raynaud phenomena
64
41

Specific ANA



Anti-dsDNA
SLE
57
97
Anti-Sm
SLE
25–30
High*
Anti-SSA/Ro
Sjogren's syndrome, subacute cutaneous SLE, Neonatal lupus syndrome
8–70
87
Anti-SSB/La
Sjogren's syndrome, subacute cutaneous SLE, Neonatal lupus syndrome
16–40
94
Anti-U3-RNP
SS
12
96
Anticentromere
Limited cutaneous SS
65
99.9
Scl-70
SS
20
100
Jo-1
PM
30
95

* Precise data not available.

Kumar et al. Diagnostic Pathology 2009 4:1   doi:10.1186/1746-1596-4-1