a significant trendP <0.001
There was a significant trend ( P <0.001) for p16/Ki-67 dual-staining positivity and increasing severity of disease: positivity varied from 44.1% (15/34) in women without dysplasia, 58.8% (20/34) in women with CIN1, 80.6% (25/31) in CIN2 to 100.0% (27/27) in women with CIN3.