Table 2.
24-hour ambulatory blood pressure profiles of the lead-exposed and control groups
| Variables | Lead-exposed group (n=68) | Control group (n=68) | P |
|---|---|---|---|
| Average day SBP, mm Hg | 116.5±15.4 | 118.4±13.3 | 0.442 |
| Average day DBP, mm Hg | 67.9±9.6 | 70.1±11.3 | 0.223 |
| Average day MBP, mm Hg | 85.2±8.2 | 87.4±9.1 | 0.141 |
| Average night SBP, mm Hg | 107.9±12.3 | 108.7±12.8 | 0.710 |
| Average night DBP, mm Hg | 60.8±7.8 | 62.1±8.1 | 0.342 |
| Average night MBP, mm Hg | 77.6±9.8 | 79.8±10.4 | 0.206 |
| Total Average SBP, mm Hg | 112.3±13.4 | 114.0±13.0 | 0.450 |
| Total Average DBP, mm Hg | 63.7±7.7 | 65.6±9.1 | 0.191 |
| Total Average MBP, mm Hg | 80.9±8.6 | 81.4±9.7 | 0.750 |
| Non-dipper, % | 19 (27.9) | 25 (36.7) | 0.273 |
| AASI | 0.42±0.10 | 0.37±0.10 | 0.007 |
AASI - ambulatory arterial stiffness index; DBP - diastolic blood pressure; MBP - mean blood pressure; SBP - systolic blood pressure. Numerical variables are expressed as mean±standard deviation or median (minimum to maximum)