Clinical Study
Increased Nitric Oxide and Attenuated Diastolic Blood Pressure Variability in African Americans with Mildly Impaired Renal Function
Table 2
Mean BP levels from office and ABPM measurements in normal and mildly impaired renal function groups.
| | Normal renal function | Mildly impaired renal function | | Variable | GFR > 90 mL/min per 1.73 m2 () | GFR 60–89 mL/min per 1.73 m2 () |
| | Office BP | | | | SBP (mmHg) | 127.3 ± 2.5 | 122.7 ± 2.8 | | DBP (mmHg) | 81.1 ± 1.7 | 76.1 ± 2.9* | | ABPM | | | | 24-hr SBP (mmHg) | 127.1 ± 2.6 | 126.4 ± 3.0 | | 24-hr DBP (mmHg) | 80.3 ± 1.9 | 76.4 ± 2.3 | | 24-hr MAP (mmHg) | 96.5 ± 1.9 | 93.7 ± 2.3 | | 24-hr HR (beats/min) | 75.1 ± 2.4 | 72.3 ± 2.1 | | Awake SBP (mmHg) | 128.5 ± 2.9 | 129.0 ± 3.1 | | Awake DBP (mmHg) | 81.7 ± 1.9 | 78.9 ± 2.5 | | Awake MAP (mmHg) | 97.8 ± 2.0 | 96.3 ± 2.5 | | Awake HR (beats/min) | 77.2 ± 2.5 | 73.8 ± 2.3 | | Sleep SBP (mmHg) | 117.0 ± 2.2 | 116.1 ± 2.5 | | Sleep DBP (mmHg) | 70.3 ± 1.9 | 66.4 ± 1.9 | | Sleep MAP (mmHg) | 86.7 ± 1.9 | 83.4 ± 1.8 | | Sleep HR (beats/min) | 67.3 ± 2.7 | 66.0 ± 2.2 | | Dip SBP (%) | 8.8 ± 1.2 | 9.8 ± 1.4 | | Dip DBP (%) | 13.8 ± 1.5 | 15.4 ± 2.3 |
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Values are expressed as means ± SEM. ABPM, ambulatory blood pressure monitoring; BP, blood pressure; DBP, diastolic blood pressure; GFR, glomerular filtration rate; HR, heart rate; MAP, mean arterial pressure; SBP, systolic blood pressure.
*Denotes significant difference between groups; .
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