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Table 1 Characteristics of the study population

From: Establishing non-fasting reference values for plasma lipids levels based on age, sex, and puberty stage in a French-Canadian pediatric population

 

COHORT 6–8

 

COHORT 9–13

P-value

Sex

Total

p-value

Sex

Total

p-value

Boys

Girls

Boys (N = 88)

Girls (N = 64)

(N = 111)

(N = 93)

  

Age Mean (SD)

6.58 (0.51)

6.59 (0.51)

6.58 (0.51)

ns*

11.31(1.03)

11.52 (1.05)

11.40(1.04)

ns*

 < 0.0001*

BMI Mean (SD)

15.59 (1.10)

15.70 (1.32)

15.64 (1.20)

ns*

17.63 (2.37)

17.98 (2.33)

17.78 (2.36)

ns*

 < 0.0001*

Ethnicity

        

ns***

 African

3

0

3 (1%)

ns***

0

0

0 (0%)

 

ns***

 Caucasian

106

91

197 (97%)

ns***

84

63

147 (97%)

ns***

ns***

 Latin

1

2

3 (1%)

ns***

2

1

3 (2%)

ns***

ns***

 South-Asian

1

0

1 (0.5%)

ns***

2

0

2 (1%)

ns***

ns***

Gestational age at delivery Mean (SD)

38.93 (1.58)

39.27 (1.21)

39.08 (1.43)

ns*

38.84 (1.54)

39.42 (1.32)

39.04 (1.48)

ns*

ns*

Tanner Stage

 1

111

93

204 (100%)

ns***

43

13

56 (37%)

 < 0.001***

 < 0.0001***

 2

 

18

21

39 (26%)

ns

 

 3

 

20

19

39 (26%)

ns

 

 4

 

4

9

13 (9%)

ns

 

 5

 

2

2

4 (3%)

ns

 

Lipid Profile Mean (SD)

 TC (mmol/L)

3.75 (0.57)

3.75 (0.56)

3.75 (0.56)

ns**

4.04 (0.63)

4.06 (0.56)

4.05 (0.60)

ns**

 < 0.0001**

 HDL-C (mmol/L)

0.68 (0.24)

0.60 (0.21)

0.65 (0.23)

 < 0.01**

1.56 (0.28)

1.50 (0.31)

1.54 (0.30)

ns*

 < 0.0001*

 TG (mmol/L)

0.96 (0.45)

1.06 (0.54)

1.01 (0.49)

ns*

1.10 (0.63)

1.15 (0.60)

1.12 (0.62)

ns*

ns*

 LDL-C(mmol/L)

2.63 (0.56)

2.72 (0.54)

2.67 (0.55)

ns**

1.93 (0.51)

2.10 (0.42)

2.00 (0.48)

ns**

 < 0.0001**

 Non-HDL-C (mmol/L)

3.06 (0.58)

3.15 (0.56)

3.10 (0.57)

ns**

2.47 (0.62)

2.56 (0.54)

2.51 (0.59)

ns*

 < 0.0001**

 ApoB (g/L)

0.70 (0.15)

0.71 (0.13)

0.71 (0.14)

ns*

  1. ApoB Apolipoprotein B, BMI Body Mass Index, HDL-C High-density lipoprotein, LDL-C Low-density lipoprotein, Non-HDL-C Non-High-density lipoprotein, SD Standard Deviation, TC Total Cholesterol, TG Triglycerides
  2. (*Wilcoxon rank sum test, **Two Sample t-test, *** Fisher's Exact Test
  3. Comparisons between sex
  4. Comparison between Cohort 6–8 and Cohort 9–13