. Author manuscript; available in PMC: 2009 Oct 28.

Published in final edited form as: Int J Radiat Oncol Biol Phys. 2009 Jun 1;74(2):553–561. doi: 10.1016/j.ijrobp.2009.02.015

Table 1.

Relationship between HPV pyrosequencing status and p16^INK4a staining intensity^*

p16^INK4a staining intensity	HPV pyrosequencing status		Strong	Total

	Negative	Weak
Negative	20 (24.4%)	16 (19.5%)	6 (7.3%)	42 (51.2%)
Focally strong	5 (6.1%)	3 (3.7%)	6 (7.3%)	14 (17.1%)
Diffusely strong	1 (1.2%)	1 (1.2%)	24 (29.3%)	26 (31.7%)
Total	26 (31.7%)	20 (24.4%)	36 (43.9%)	82 (100%)

Abbreviation: HPV = human papillomavirus.

p <0.0001, χ² test.