Optimal waist circumference cut-off values for identifying metabolic risk factors in middle-aged and elderly subjects in Shandong Province of China.
OBJECTIVE
To study the optimal waist circumference (WC) cut-off values for identifying metabolic risk factors in middle-aged and elderly subjects in Shandong Province of China.


METHODS
A total of 2,873 men and 5,559 women were included in this cross-sectional study. Metabolic syndrome (MetS) was diagnosed according to the definition of Chinese Diabetes Society in 2004. The relation between WC and MetS was analyzed by multivariate logistic regression analysis. The optimal WC cut-off values were identified using the area under the ROC curve and the different diagnostic criteria for central obesity were compared.


RESULTS
The WC was the risk factor for MetS independent of BMI, blood glucose, blood lipid, and blood pressure. The optimal WC cut-off value was 83.8 cm and 91.1 cm for identifying MetS in women and men, respectively. Compared with 80 cm and 85 cm for women and men, 85 cm and 90 cm had a higher Youden index for identifying all metabolic risk factors and MetS in women and men.


CONCLUSIONS
The appropriate WC cut-off value is 85 cm and 90 cm for identifying central obesity and MetS in women and men in Shandong Province of China.
Department of Endocrinology, Qilu Hospital and Institute of Endocrinology and Metabolism, Shandong University, Jinan 250012, Shandong, China.
Xin Guo
XG
Hou
Department of Endocrinology, Qilu Hospital and Institute of Endocrinology and Metabolism, Shandong University, Jinan 250012, Shandong, China.
Chuan
C
Wang
China National Heavy Duty Truck Group Corporation Hospital, Jinan 250116, Shandng, China.
Ze Qiang
ZQ
Ma
Jining Lukang Hospital, Jining 272141, Shandong, China.
Wei Fang
WF
Yang
Jining Lukang Hospital, Jining 272141, Shandong, China.
Ji Xiang
JX
Wang
Department of Endocrinology, Jining Second People's Hospital, Jining 272049, Shandong, China.
Cheng Qiao
CQ
Li
Department of Endocrinology, Jining Second People's Hospital, Jining 272049, Shandong, China.
Yu Lian
YL
Wang
Department of Endocrinology, Jining Second People's Hospital, Jining 272049, Shandong, China.
Shu Min
SM
Liu
Department of Endocrinology, Jining Second People's Hospital, Jining 272049, Shandong, China.
Xiu Ping
XP
Hu
Shantui Community Health Center, Jining 272000, Shandong, China.
Xiu Ping
XP
Zhang
Shantui Community Health Center, Jining 272000, Shandong, China.
Mei
M
Jiang
Department of Endocrine and Metabolic Diseases, Ruijin Hospital, Shanghai Jiaotong University Medical School, Shanghai 200025, China.
Wei Qing
WQ
Wang
Department of Endocrine and Metabolic Diseases, Ruijin Hospital, Shanghai Jiaotong University Medical School, Shanghai 200025, China.
Guang
G
Ning
Department of Endocrinology, Qilu Hospital and Institute of Endocrinology and Metabolism, Shandong University, Jinan 250012, Shandong, China.
Hui Zhen
HZ
Zheng
Department of Endocrinology, Qilu Hospital and Institute of Endocrinology and Metabolism, Shandong University, Jinan 250012, Shandong, China.
Ai Xia
AX
Ma
Department of Endocrinology, Qilu Hospital and Institute of Endocrinology and Metabolism, Shandong University, Jinan 250012, Shandong, China.
Yu
Y
Sun
Department of Endocrinology, Qilu Hospital and Institute of Endocrinology and Metabolism, Shandong University, Jinan 250012, Shandong, China.
Jun
J
Song
Department of Endocrinology, Qilu Hospital and Institute of Endocrinology and Metabolism, Shandong University, Jinan 250012, Shandong, China.
Peng
P
Lin
Department of Endocrinology, Qilu Hospital and Institute of Endocrinology and Metabolism, Shandong University, Jinan 250012, Shandong, China.
Kai
K
Liang
Department of Endocrinology, Qilu Hospital and Institute of Endocrinology and Metabolism, Shandong University, Jinan 250012, Shandong, China.
Fu Qiang
FQ
Liu
Department of Endocrinology, Qilu Hospital and Institute of Endocrinology and Metabolism, Shandong University, Jinan 250012, Shandong, China.
Wen Juan
WJ
Li
Department of Endocrinology, Qilu Hospital and Institute of Endocrinology and Metabolism, Shandong University, Jinan 250012, Shandong, China.
Juan
J
Xiao
Department of Endocrinology, Qilu Hospital and Institute of Endocrinology and Metabolism, Shandong University, Jinan 250012, Shandong, China.
Lei
L
Gong
Department of Endocrinology, Qilu Hospital and Institute of Endocrinology and Metabolism, Shandong University, Jinan 250012, Shandong, China.
Mei Jian
MJ
Wang
Department of Endocrinology, Qilu Hospital and Institute of Endocrinology and Metabolism, Shandong University, Jinan 250012, Shandong, China.
Ji Dong
JD
Liu
Department of Endocrinology, Qilu Hospital and Institute of Endocrinology and Metabolism, Shandong University, Jinan 250012, Shandong, China.
Fei
F
Yan
Department of Endocrinology, Qilu Hospital and Institute of Endocrinology and Metabolism, Shandong University, Jinan 250012, Shandong, China.
Jun Peng
JP
Yang
Department of Endocrinology, Qilu Hospital and Institute of Endocrinology and Metabolism, Shandong University, Jinan 250012, Shandong, China.
Ling Shu
LS
Wang
Department of Endocrinology, Qilu Hospital and Institute of Endocrinology and Metabolism, Shandong University, Jinan 250012, Shandong, China.
Meng
M
Tian
Department of Endocrinology, Qilu Hospital and Institute of Endocrinology and Metabolism, Shandong University, Jinan 250012, Shandong, China.
Ru Xing
RX
Zhao
Department of Endocrinology, Qilu Hospital and Institute of Endocrinology and Metabolism, Shandong University, Jinan 250012, Shandong, China.
Ling
L
Jiang
Department of Endocrinology, Qilu Hospital and Institute of Endocrinology and Metabolism, Shandong University, Jinan 250012, Shandong, China.
Li
L
Chen
D000368:Aged; D019540:Area Under Curve; D003430:Cross-Sectional Studies; D005260:Female; D006801:Humans; D016015:Logistic Models; D008297:Male; D024821:Metabolic Syndrome / Q000175:diagnosis*; D008875:Middle Aged; D056128:Obesity, Abdominal / Q000175:diagnosis*; D011237:Predictive Value of Tests; D055105:Waist Circumference
Central obesity; Metabolic syndrome; Waist circumference