Table 3.

Adjusted Hazard Ratios (95% Confidence Intervals) from Cox Regression

	Death from Breast Cancer	P-value	Death from Any Cause	P-value
Fractal dimension
< 1.56	1.0		1.0
1.56 - 1.75	1.9 (1.1, 3.5)	0.043	2.0 (1.2, 3.5)	0.011
>1.75	2.6 (1.4, 4.8)	0.002	2.7 (1.6, 4.7)	< 0.001
Age
≤ 55 years	1.0		1.0
>55 years	1.8 (0.8, 4.2)	0.14	2.7 (1.2, 5.9)	0.01
Size of tumour
≤ 2 cm	1.0		1.0
>2 cm	1.0 (0.6, 1.6)	0.96	1.0 (0.7, 1.6)	0.88
Grade of tumour
1 & 2	1.0		1.0
3	2.1 (1.1, 3.7)	0.01	1.7 (1.1, 3.0)	0.047
Lymph node status
Negative	1.0		1.0
Positive	3.1 (1.9, 5.1)	< 0.001	2.6 (1.7, 4.1)	< 0.001
Estrogen-receptor status
Positive	1.0		1.0
Negative	1.6 (0.7, 3.7)	0.27	1.5 (0.7, 3.2)	0.26
HER-2/neu status
Positive	1.0		1.0
Negative	1.1 (0.5, 2.5)	0.87	1.1 (0.5, 2.4)	0.70