Table 3

Differences of the sensitivities and specificities (with 95% CI) for the diagnosis of pSS among the four sets of criteria

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  • Of the 499 enrolled patients, pSS was diagnosed in 302 patients, whereas pSS was excluded in 197 patients by the physician in charge. For subanalysis using 383 cases that were examined for unstimulated whole saliva (UWS), pSS was diagnosed in 203 patients, while pSS was excluded in 180 patients based on clinical judgements.

  • The p values and confidence limits were computed by the McNemar's test and the Newcombe's square-and-add method.

  • –, not examined; ACR-EULAR, American College of Rheumatology (ACR)-European League Against Rheumatism (EULAR) classification criteria for pSS; AECG, American-European Consensus Group classification criteria for SS; JPN, The revised Japanese Ministry of Health criteria for the diagnosis of SS; pSS, primary SS; SS, Sjögren's syndrome.