Effects of low-dose tamoxifen on breast cancer biomarkers Ki-67, estrogen and progesterone receptors

Table 4 Percentage of nuclei stained by Ki-67 (MIB-1) in Group B (tamoxifen 10 mg) before and after 14 days of drug use (magnified 400×).

PATIENT	Before tamoxifen 10 mg (% stained cells)	14 days after tamoxifen 10 mg (% stained cells)
1	8.82	1.70
2	33.79	10.54
3	6.51	5.52
4	29.07	12.62
5	53.32	28.06
6	17.58	8.77
7	12.48	1.27
8	21.05	13.15
9	24.87	2.86
10	11.22	7.95
11	29.45	16.25
12	45.90	6.80
13	24.25	8.29
14	43.56	20.32
15	5.35	3.45
16	2.26	1.75
17	51.40	34.30
18	23.50	4.10
MEAN	24.69	10.43