Table 1

Characteristics of the 500 patients included in the study

CharacteristicValue
HistologyTotal
NegativePositive
Total no. (%)290 (58.0)210 (42.0)500 (100)
Age (yr)
    Mean value48.552.350.1
    SD16.016.216.2
    Minimum18.018.018.0
    Maximum86.086.086.0
Gender [no. (%)]
    Female154 (53.1)109 (51.9)263 (52.6)
    Male136 (46.9)101 (48.1)237 (47.4)