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Table 3 Influence of BMI percentile category on characteristics of participating children

From: Lp(a)-cholesterol is associated with HDL-cholesterol in overweight and obese African American children and is not an independent risk factor for CVD

Classification BMI percentiles

At risk of overweight 85-95th

Overweight & Obese

 
  

95.001-99 th

> 99 th

p -value1

Sample size, n

24

48

49

 

Anthropometrics

Mean (SEM)

 

Age (years)

10.5 (0.2)

10.8 (0.1)

10.7 (0.1)

0.412

Pubertal stage

2.75 (0.3)

3.14(0.2)

2.95 (0.2)

0.574

Height (cm)

147.3 (1.8)

150.2 (1.3)

152.1 (1.3)

0.118

Weight (kg)

46.6 (1.5)

61.0 (1.4)

80.5 (2.6)

< 0.001

BMI-z score

1.34 (0.4)

2.03 (0.03)

2.54 (0.02)

< 0.001

WC (cm)

71.8 (1.4)

86.9 (1.19)

102.4 (1.8)

< 0.001

Plasma lipoproteins, mg/dl

TC

177.7 (7.0)

161.1 (4.1)

170.5 (4.9)

0.100

HDL-C

62.2b (2.8)

53.0a (1.4)

50.8a (1.5)

< 0.001

VLDL-C

15.6 (0.9)

15.2 (0.5)

16.9 (0.5)

0.099

IDL-C

9.38 (1.0)

8.33 (0.6)

10.1 (0.6)

0.172

LDL-C

100.1 (6.2)

92.9 (3.6)

102.7 (4.3)

0.227

TAG

59.5a (4.5)

68.5a, b (3.8)

81.5b (4.5)

0.005

Lp(a)-C

10.7b (0.9)

7.75a (0.5)

6.71a (0.5)

< 0.001

  1. 1Differences determined using two-tailed t-test following Levene's test for equality of variances. Groups sharing a common superscript are not significantly different from each other using Tukey's studentized range test at a 5% procedure-wise error rate
  2. Abbreviations: Body mass index: BMI, Body mass index z-score: BMIz, Waist circumference: WC, Total cholesterol: TC, High density lipoprotein cholesterol: HDL-C, Very low density lipoprotein cholesterol: VLDL-C, Intermediate density lipoprotein cholesterol: IDL-C, Low density lipoprotein cholesterol: LDL-C, Triglycerides: TAG, Lp(a)ccholesterol: Lp(a)-C