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Table 1 Characteristics of the study population

From: PDX1 and MC4R genetic polymorphisms are associated with type 2 diabetes mellitus risk in the Chinese Han population

Characteristics

Cases (n = 500)

Controls (n = 501)

p

Age, years

 Mean ± SD (years)

59.87 ± 12.87

59.85 ± 9.34

0.973a

 > 60

240 (48%)

268 (54%)

 

 ≤ 60

260 (52%)

233 (46%)

 

Sex

  

0.960b

 Male

358 (72%)

358 (71%)

 

 Female

142 (28%)

143 (29%)

 

Smoking

   

 Yes

219 (44%)

98 (20%)

 

 No

280 (56%)

164 (33%)

 

 Absence

1

239 (47%)

 

Drinking

   

 Yes

109 (22%)

103 (21%)

 

 No

385 (77%)

140 (28%)

 

 Absence

6 (1%)

258 (51%)

 

BMI

   

 ≤ 24

203 (41%)

130 (26%)

 

 > 24

239 (48%)

188 (38%)

 

 Absence

58 (11%)

183 (36%)

 

Complication

   

 One

107 (21%)

  

 Multiple

337 (67%)

  

 Absence

56 (12%)

  

Total cholesterol (mmol/L)

4.19 ± 2.01

4.93 ± 4.00

< 0.001a

LDL-C (mmol/L)

2.45 ± 0.90

2.62 ± 0.76

0.012a

HDL-C (mmol/L)

1.05 ± 0.72

1.15 ± 0.55

0.024a

Fasting blood glucose

7.35 ± 3.40

6.05 ± 1.60

< 0.001a

Triglyceride

1.91 ± 1.91

1.74 ± 0.10

0.088

GFR(ml/min)

96.62 ± 22.22

96.01 ± 19.78

0.710

Urea

6.52 ± 3.26

5.42 ± 2.78

< 0.001a

Creatinine

71.20 ± 52.66

68.74 ± 12.87

0.371

  1. Bold indicates a statistically significant (p < 0.05).
  2. SD standard deviation, BMI body mass index, HDL-C high-density lipoprotein cholesterol, LDL-C low-density lipoprotein cholesterol
  3. pa value obtained from an independent sample t-test
  4. pb value obtained from Pearson's χ2 test