Table 2

Comparison of p16INK4a immunohistochemistry and RB1 LOH status

p16 IHC 0

1+

2+

3+

Total


RB1 LOH

LOH-

9 (23.7)

11 (29.0)

11 (29.0)

7 (18.4)

38

LOH+

1 (3.9)

8 (30.8)

5 (19.2)

12 (46.2)

26

10

19

16

19

64

p = 0.0369


0 = negative, 1+ = weak positive, 2+ = moderate positive, 3+ = strong positive. P-values determined by Chi-square test.

IHC = immunohistochemistry; LOH = loss of heterozygosity; RB1 = retinoblastoma.

Herschkowitz et al. Breast Cancer Research 2008 10:R75   doi:10.1186/bcr2142

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