TABLE 1

Statistical Analysis of Entire Patient Population and Subgroups

ParameterTotalThyroid volumeThyroid disease
<15 mL*>15 mL†WithoutWith
n10334694558
Sensitivity (%)8088767980
Specificity (%)981009710096
PPV (%)981009710096
NPV (%)8190778082
Accuracy (%)8894868988

  • ↵* Mean, 7.4 mL.

  • ↵† Mean, 33.1 mL.

  • PPV = positive predictive value; NPV = negative predictive value.