Table 2
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Specificity and sensitivity of anti-cN1A antibody for IBM diagnosis

Overall cohortMyositis/SS+Myositis/SS-
Specificity0.890.700.96
(95% CI)(0.79, 0.94)(0.48, 0.85)(0.87, 0.99)
Sensitivity0.560.670.33
(95% CI)(0.27, 0.81)(0.30, 0.90)(0.06, 0.79)
Overall cohortMyositis/SS+Myositis/SS-
Specificity0.890.700.96
(95% CI)(0.79, 0.94)(0.48, 0.85)(0.87, 0.99)
Sensitivity0.560.670.33
(95% CI)(0.27, 0.81)(0.30, 0.90)(0.06, 0.79)

SS+: patients with Sjögren’s syndrome; SS-: patients without Sjögren’s syndrome.

Table 2
Open in new tab

Specificity and sensitivity of anti-cN1A antibody for IBM diagnosis

Overall cohortMyositis/SS+Myositis/SS-
Specificity0.890.700.96
(95% CI)(0.79, 0.94)(0.48, 0.85)(0.87, 0.99)
Sensitivity0.560.670.33
(95% CI)(0.27, 0.81)(0.30, 0.90)(0.06, 0.79)
Overall cohortMyositis/SS+Myositis/SS-
Specificity0.890.700.96
(95% CI)(0.79, 0.94)(0.48, 0.85)(0.87, 0.99)
Sensitivity0.560.670.33
(95% CI)(0.27, 0.81)(0.30, 0.90)(0.06, 0.79)

SS+: patients with Sjögren’s syndrome; SS-: patients without Sjögren’s syndrome.

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