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Table 5 Prevalence of components of metabolic syndrome according to quartiles of visceral fat area

From: Higher visceral fat area increases the risk of vitamin D insufficiency and deficiency in Chinese adults

  Men  
Quartiles of visceral fat area (cm2) P-valuea
Q1(<89.95) Q2(89.95-115.72) Q3(115.72-140.46) Q4(≥140.46)
n 64 65 64 64  
Hyperglycemia 5(7.81) 20(30.77)# 17(26.56)# 19(29.69)# 0.006
Hypertriglyceridemia 12(18.75) 21(32.31) 28(43.75)# 31(48.44)# 0.002
Low HDL-C 14(21.88) 19(29.23) 23(35.94) 19(29.69) bNS
High blood pressure 12(18.75) 16(24.62) 16(25.00) 19(29.68) bNS
  Pre-menopausal women  
  Quartiles of visceral fat area (cm2) P-valuea
Q1(<53.15) Q2(53.15–66.18) Q3(66.18–84.47) Q4(≥84.47)
n 153 144 163 153  
Hyperglycemia 2(1.31) 8(5.56) 16(9.82)# 38(24.84)# & $ 0.000
Hypertriglyceridemia 2(1.31) 8(5.56) 19(11.66)# 29(18.95)# & 0.000
Low HDL-C 41(26.80) 54(37.50) 76(46.63)# 93(60.78)# & $ 0.000
High blood pressure 2(1.31) 4(2.77) 11(6.75)# 21 (13.73)# & $ 0.000
  Post-menopausal women  
  Quartiles of visceral fat area (cm2) P-valuea
Q1(<71.55) Q2(71.55–91.97) Q3(91.97–115.73) Q4(≥115.73)
n 59 59 59 58  
Hyperglycemia 12(20.34) 22(37.29) 26(44.07)# 22(37.93)# 0.045
Hypertriglyceridemia 7(11.86) 10(16.95) 20(33.90)# 24(41.38)# & 0.001
Low HDL–C 13(22.03) 20(33.90) 28(47.46)# 26(44.83)# 0.017
High blood pressure 12(18.64) 17(28.81) 15(25.42) 19(32.76) bNS
  1. The metabolic risk factors were defined as follows: (1) high blood pressure, with systolic blood pressure of at least 130 mmHg or diastolic blood pressure of at least 85 mmHg or taking medication for previously diagnosed hypertension; (2) hypertriglyceridemia, with TG levels of at least 150 mg/dL (1.69 mmol/L); (3) low HDL-C, with HDL cholesterol level less than 40 mg/dL (1.03 mmol/L) for men and less than 50 mg/dL (1.29 mmol/L) for women; (4) hyperglycemia, with fasting plasma glucose of at least 110 mg/dL (6.1 mmol/L) or taking medication for previously diagnosed type 2 diabetes
  2. Values are number (percentages)
  3. aComparison among four groups
  4. bNS = no significant at p value > .05
  5. #Compared with Q1, P < 0.05
  6. &Compared with Q2, P < 0.05
  7. $Compared with Q3, P < 0.05