Table 3.

Effects of body fat percentage change on distant metastasis and all-cause mortality in women with breast cance (N = 131)

	B (± SE)	Hazard ratio (95% CI)	p
Metastasis
Advanced disease (Stage III)	1.90 (± 0.45)	6.71 (2.78–16.17)	< .001
ER positive	0.82 (± 0.56)	2.26 (0.75–6.84)	.148
PR positive	−0.91 (± 0.52)	0.40 (0.15–1.11)	.080
Age	−0.02 (± 0.03)	0.98 (0.93–1.03)	.372
Regular exercise	0.06 (± 0.53)	1.07 (0.38–3.00)	.905
% body fat change	0.11 (± 0.06)	1.11 (0.99–1.25)	.063
Death
Advanced disease (Stage III)	2.97 (± 0.69)	19.49 (5.10–74.56)	< .001
ER positive	0.41 (± 0.74)	1.51 (0.36–6.38)	.576
PR positive	−0.98 (± 0.69)	0.37 (0.10–1.45)	.155
Age	0.02 (± 0.04)	1.02 (0.95–1.10)	.537
Regular exercise	−0.30 (± 0.72)	0.74 (0.18–3.05)	.676
% body fat change	0.13 (± 0.08)	1.14 (0.97–1.33)	.104

Body fat % change = body fat percentage at 6 months after surgery minus body fat percentage before surgery

ER estrogen receptor, PR progesterone receptor