an increasing trendp=0.03
The prevalence of HPV16 infection showed an increasing trend from 30% in cervicitis to 71.7% in SCC (p=0.03). 11 samples (3 cervicitis, 4 CINs and 4 SCC cases) were negative for HPV infection and 2 remain unidentified due to inadequacy of the DNA amount ( Table 2 ).