Table 6.
Effect of overweight on cardiovascular parameters and functions in boys and girls
| Boys (n = 397) |
Girls (n = 279) |
|||||
|---|---|---|---|---|---|---|
| normal weight (n = 321) | overweight (n = 76) | p | normal weight (n = 227) | overweight (n = 52) | p | |
| SV, ml | 53.3 ± 11.6 | 62.6 ± 11.7 | <0.001 | 48.1 ± 9.5 | 56.3 ± 11.4 | <0.001 |
| SV/BSA, ml/m2 | 34.3 ± 6.4 | 33.6 ± 5.5 | NS | 33.1 ± 5.9 | 34.2 ± 6.2 | NS |
| CO, l/min | 3.9 ± 0.9 | 4.7 ± 1.0 | <0.001 | 3.7 ± 0.8 | 4.3 ± 1.0 | <0.001 |
| CO/BSA, l/min/m2 | 2.5 ± 0.5 | 2.5 ± 0.5 | NS | 2.5 ± 0.5 | 2.6 ± 0.5 | NS |
| SBP, mm Hg | 114.2 ± 9.1 | 122.8 ± 10.9 | <0.001 | 107.6 ± 8.3 | 116.8 ± 8.1 | <0.001 |
| DBP, mm Hg | 60.8 ± 5.9 | 64.7 ± 6.7 | <0.001 | 60.1 ± 5.9 | 64.2 ± 5.3 | <0.001 |
| PP, mm Hg | 53.4 ± 6.3 | 58.1 ± 6.8 | <0.001 | 47.5 ± 5.8 | 52.5 ± 5.2 | <0.001 |
| LV mass, g | 113.5 ± 24.9 | 136.2 ± 31.2 | <0.001 | 102.4 ± 18.6 | 125.9 ± 26.6 | <0.001 |
| LV mass/BSA, g/m2 | 73.0 ± 13.4 | 72.9 ± 14.6 | NS | 70.5 ± 11.1 | 71.6 ± 14.4 | NS |
| Ejection fraction, % | 68.1 ± 4.1 | 68.6 ± 4.3 | NS | 67.0 ± 6.0 | 67.0 ± 6.2 | NS |
| Fractional shortening, % | 39.0 ± 3.6 | 39.7 ± 3.7 | NS | 37.1 ± 5.0 | 37.0 ± 4.7 | NS |
| E velocity, cm/s | 105.6 ± 17.3 | 106.4 ± 14.4 | NS | 100.5 ± 13.9 | 100.9 ± 15.1 | NS |
| A velocity, cm/s | 52.9 ± 11.0 | 54.9 ± 11.6 | NS | 53.1 ± 11.0 | 52.9 ± 10.5 | NS |
| E/A ratio | 2.09 ± 0.62 | 2.02 ± 0.51 | NS | 1.97 ± 0.49 | 1.97 ± 0.45 | NS |
| PWV, cm/s | 934.9 ± 102.7 | 957.9 ± 110.2 | 0.049 | 940.5 ± 93.3 | 955.9 ± 82.1 | NS |
BSA = Body surface area; SV = stroke volume; CO = cardiac output; SBP = systolic blood pressure; DBP = diastolic blood pressure; PP = pulse pressure; PWV = pulse wave velocity; NS = nonsignificant. Data are means ± SD.