From: p16 as a diagnostic marker of cervical neoplasia: a tissue microarray study of 796 archival specimens
p16INK4A immunostaining
n
Negative*
Positive#
Normal cervix
10
10 (100.0)
0 (0)
CIN1
249
69 (27.7)
180 (72.3)
CIN2
233
21 (9.0)
212 (91.0)
CIN3
181
3 (1.7)
178 (98.3)
ICC
133
2 (1.5)
131 (98.5)