Table 2. The Status of Plasma Adiponectin Level in 1167 Sets and Subgroup.

Factors	Case	Control	P
	mean ± SD	mean ± SD
All patients	n = 1167	n = 1167
Total adiponectin (μg/ml)	6.34(3.54)	6.56(3.72)	0.150
HMW adiponectin (μg/ml)	2.52(1.88)	2.58(1.88)	0.403
HMW/total adiponectin ratio	0.38(0.15)	0.38(0.15)	0.590
Postmenopausal women	n = 396	n = 339
Total adiponectin (μg/ml)	6.58 (3.74)	6.95 (4.08)	0.201
HMW adiponectin (μg/ml)	2.59 (2.01)	2.84 (2.14)	0.113
HMW/total adiponectin ratio	0.37 (0.15)	0.40 (0.15)	0.016
Non-postmenopausal women	n = 745	n = 785
Total adiponectin (μg/ml)	6.24 (3.46)	6.44 (3.57)	0.232
HMW adiponectin (μg/ml)	2.49 (1.83)	2.49 (1.76)	0.410
HMW/total adiponectin ratio	0.38 (0.16)	0.38 (0.15)	0.660
Positive family history of BC	n = 76	n = 45
Total adiponectin (μg/ml)	6.37 (3.42)	5.18 (2.74)	0.049
HMW adiponectin (μg/ml)	2.92 (1.95)	2.18 (1.54)	0.032
HMW/total adiponectin ratio	0.44 (0.13)	0.42 (0.16)	0.480
Negative family history of BC	n = 1091	n = 1122
Total adiponectin (μg/ml)	6.34 (3.55)	6.62 (3.74)	0.081
HMW aidponectin (μg/ml)	2.49 (1.87)	2.60 (1.89)	0.832
HMW/total adiponectin ratio	0.38 (0.16)	0.38 (0.15)	0.714
BMI<24.0	n = 541	n = 577
Total adiponectin (μg/ml)	6.85 (3.60)	6.99 (3.87)	0.091
HMW aidponectin (μg/ml)	2.81 (1.95)	2.81 (2.03)	0.992
HMW/total adiponectin ratio	0.39 (0.16)	0.39 (0.16)	0.974
BMI> = 24.0	n = 576	n = 550
Total adiponectin (μg/ml)	5.88 (3.39)	6.13 (3.56)	0.261
HMW aidponectin (μg/ml)	2.23 (1.77)	2.34 (1.68)	0.738
HMW/total adiponectin ratio	0.36 (0.15)	0.37 (0.15)	0.951

BC, breast cancer; BMI, body mass index; SD, standard deviation.