on the threshold of significancep = 0.055
According to reader 1, the mean size of the incidentalomas was 18.5 ± 7.7 mm (range, 7.0-56.0 mm), whereas it was 21.0 ± 8.3 mm (range, 7.0-55.0 mm) according to reader 2, the difference being on the threshold of significance ( p = 0.055).