The expression of mismatched repair genes and their correlation with clinicopathological parameters and response to neo-adjuvant chemotherapy in breast cancer

Table 10 PMS2

SCORE	Percentage of cells staining	Frequency	Percent	Valid percent	Cumulative percent
0	0%	9	29.03	29.03	29.03
1	<5%	0	0	0	29.03
2	5–20%	6	19.35	19.35	48.38
3	20–80%	14	45.16	45.16	93.81
4	80–100%	2	6.45	6.45	100

Only 9 cases had a score of 0 for PMS2 and rest all (i.e.22 out of 31) had a score of more than 2.