Research Article

Associations of Serum Nitric Oxide with Vitamin D and Other Metabolic Factors in Apparently Healthy Adolescents

Table 3

Clinical characteristics of the subject.

ParameterDeficientInsufficientSufficientP-Value
N (%)186 (25.1)418 (56.5)136 (18.4)

Age (years)14.5 ± 1.514.2 ± 1.513.4 ± 1.<0.001

Body Mass Index (kg/m2)22.7 ± 4.822.0 ± 4.719.9 ± 3.<0.001

Waist circumference (cm)73.0 ± 10.874.3 ± 11.770.0 ± 12.1!0.010

Hip circumference (cm)91.0 ± 10.887.5 ± 9.80.5 ± 11.<0.001

WHR0.8 ± 0.10.8 ± 0.10.9 ± 0.1<0.001

Systolic BP (mmHg)119.1 ± 14.5119.9 ± 13.2117.2 ± 15.40.23

Diastolic BP (mmHg)72.2 ± 10.169.9 ± 9.68.2 ± 9.0.005

Glucose (mmol/l)5.1 ± 0.85.2 ± 0.75.0 ± 0.60.12

Triglycerides (mmol/l)#1.1 (0.8-1.5)1.0 (0.8-1.3)1.0 (0.8-1.3)0.13

Total Cholesterol (mmol/l)4.1 ± 1.14.3 ± 1.04.5 ± 1.0.015

HDL-Cholesterol (mmol/l)1.2 ± 0.41.2 ± 0.41.2 ± 0.40.42

LDL-Cholesterol (mmol/l)2.5 ± 0.72.6 ± 0.82.7 ± 0.90.22

LDL/HDL ratio2.4 ± 0.92.4 ± 1.22.6 ± 1.50.17

25(OH)D (nmol/l)#20.4 (18.3-22.5)35.1 (30.0-49.559.8 (53.2-65.5<0.001

Nitric Oxide (µmole/l)#18.0 (8.9-33.5)12.9 (5.2-25.47.4 (4.4-12.7<0.001

Note: data is presented as N (%) for frequencies and mean ± standard deviation for normal continuous variables; # denotes continuous variables with non-Gaussian distribution presented as median (-) percentiles; P-value is significant at 0.05 and 0.01. “” denotes significance compared to deficient; “!” denotes significance compared to insufficient.