Table 4

 Stratification of patients (n = 70) and tumour characteristics and respective success rates, accuracy, and false negative rate (FNR)

ParameterNo of casesSuccess rateAccuracyFNR
*p = 0.06.
Age (years)
    <504097.597.42.6*
    >503093.385.714.3
Tumour size (cm)
    ⩽22696.21000
    >23594.384.815.2
    After biopsy91001000
Location of lesion
    Outer upper3892.188.611.4
    Other quadrants3210096.93.1