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Table 2 Sensitivity and PPV of FNAB for WT after isolating for various clinical features

From: Utility of clinical features with fine needle aspiration biopsy for diagnosis of Warthin tumor

Clinical feature Sensitivity (%) PPV (%)
Age 60+ (n = 42)a 97.6 97.6
Male (n = 53) 96.2 98.0
Smoker (n = 69)b 95.6 98.5
Asymptomatic (n = 52)a 94.1 98.0
Inferior pole (n = 58) 96.6 100
Multifocal (n = 18)c 100 100
Bilateral (n = 18)c 100 100
Incidentaloma (n = 10) 100 100
  1. aMeasured at presentation
  2. bAny history of smoking was included
  3. cTumor characteristic on initial workup