Table 5.
Characteristics of the population (means and SD) according to CACNB2 genotypes
| Characteristics | CACNB2 genotypes | P values | ||
| CC | CG | GG | ||
| Boys | n=148 | n=132 | n=33 | |
| Age, years, mean (SD) | 13.11 (1.10) | 13.45 (1.22)* | 13.61 (1.09)† | 0.017 |
| Weight, kg, mean (SD) | 54.10 (14.16) | 53.27 (12.22) | 56.75 (13.79) | 0.405 |
| Height, cm, mean (SD) | 163.49 (10.88) | 164.79 (9.68) | 167.08 (11.71) | 0.180 |
| BMI, kg/m2, mean (SD) | 19.99 (3.69) | 19.44 (3.33) | 20.06 (3.11) | 0.426 |
| WC, cm, mean (SD) | 69.98 (9.23) | 68.72 (8.60) | 71.73 (8.63) | 0.172 |
| SBP, mm Hg, mean (SD) | 121.06 (16.13) | 124.78 (16.27)* | 126.52 (14.60)† | 0.037 |
| DBP, mm Hg, mean (SD) | 64.06 (7.84) | 64.43 (7.93) | 65.25 (9.08) | 0.730 |
| Girls | n=139 | n=145 | n=49 | |
| Age, years, mean (SD) | 13.15 (1.16) | 13.23 (1.07) | 13.53 (1.16)‡ | 0.111 |
| Weight, kg, mean (SD) | 50.61 (11.42) | 51.66 (10.89) | 50.62 (8.99) | 0.687 |
| Height, cm, mean (SD) | 161.33 (8.69) | 161.88 (7.40) | 160.20 (8.32) | 0.455 |
| BMI, kg/m2, mean (SD) | 19.30 (3.56) | 19.56 (3.13) | 19.60 (2.37) | 0.239 |
| WC, cm, mean (SD) | 65.68 (8.71) | 65.46 (7.60) | 63.93 (5.81) | 0.763 |
| SBP, mm Hg, mean (SD) | 115.63 (12.12) | 118.40 (13.27) | 116.23 (11.69) | 0.225 |
| DBP, mm Hg, mean (SD) | 64.87 (8.03) | 66.05 (7.94) | 66.46 (8.01) | 0.335 |
*P<0.05 between CACNB2 CC genotype and CACNB2 CG genotype in boys (t-test).
†P<0.05 between CACNB2 CC genotype and CACNB2 GG genotype in boys (t-test).
‡P<0.05 between CACNB2 CC genotype and CACNB2 GG genotype in girls (t-test).
BMI, body mass index; CACNB2, beta-2 subunit of voltage-gated calcium channel; DBP, diastolic blood pressure; SBP, systolic blood pressure; WC, waist circumference