Diagnosis by H&E p16 PCNA
0 1+ 2+ 3+ 0 1+ 2+ 3+
Normal 0 (0)           3 (100)  
Non tumoral 16 (80) 4 (20) 0 (0) 0 (0) 5 (25) 4(20) 7 (35) 4 (20)
CIN 1 – 2 8 (44) 3 (17) 0 (0) 7 (39) 4 (22) 2 (11) 7 (39) 5 (28)
CIN 3 1 (6) 0 (0) 0 (0) 16 (94) 0 (0) 0 (0) 4 (24) 13 (76)
Invasive SCC 1 (4,7) 0 (0) 0 (0) 20 (95,3) 0 (0) 0 (0) 2 (9,5) 19 (90,5)
Values are presented as number ( row). PCNA: Proliferating cell nuclear antigen; CIN: Cervical intraepithelial neoplasia; SCC:Squamous cell carcinoma
Table 2: Intensity of p16 and PCNA immunohistochemical staining of H&E-diagnosed tissues