Table 3. Comparison of breast density between these two groups at various points of time.

	Mean±s.d.
Breast density	Goserelin+TAM	TAM alone	F-value	P-value
Baseline	51.24±13.66	56.37±14.24	3.457	0.066
12 Months	44.14±11.66	50.69±14.27	6.443	0.013*
18 Months	37.86±12.44	44.75±14.90	6.414	0.013*

Abbreviation: TAM=tamoxifen. *P<0.05