Table 3.
Blood pressure measures in PLMS and non-PLMS groups
| Daytime BP parameters | PLMS; N = 17 | Non-PLMS; N = 297 | P value | Crude OR | Adjusted OR# |
|---|---|---|---|---|---|
| Systolic BP mean (mm Hg) | 115 ± 9 | 111 ± 8 | 0.099 | ||
| Diastolic BP mean (mm Hg) | 73 ± 6 | 71 ± 5 | 0.058 | ||
| Systolic BP z score | 0.23 ± 1.19 | −0.22 ± 1.04 | 0.084 | ||
| Diastolic BP z score | 0.28 ± 0.95 | −0.13 ± 0.83 | 0.051 | ||
| Mean arterial pressure z score | 0.33 ± 0.94 | −0.13 ± 0.83 | 0.077 | ||
| Systolic pre-hypertension, N (%) | 4 (23.5) | 26 (8.8) | 0.067 | 3.21 (0.98-10.55) | 2.84 (0.83-9.72) |
| Diastolic pre-hypertension, N (%) | 2 (11.8) | 19 (6.4) | 0.395 | 1.95 (0.42-9.16) | 1.95 (0.40-9.52) |
| Systolic hypertension, N (%) | 2 (11.8) | 15 (5.1) | 0.233 | 2.51 (0.53-11.98) | 2.44 (0.48-12.48) |
| Diastolic hypertension, N (%) | 1 (5.9) | 10 (3.4) | 0.584 | 1.79 (0.22-14.89) | 1.57 (0.18-13.9) |
| Systolic and diastolic hypertension, N (%) | 1 (5.9) | 4 (1.3) | 0.152 | 4.58 (0.48-43.36) | 6.24 (0.59-66.03) |
| Systolic or diastolic hypertension, N (%) | 2 (11.8) | 21 (7.1) | 0.476 | 1.75 (0.38-8.18) | 1.47 (0.30-7.27) |
| Nighttime BP parameters | |||||
| Systolic BP mean (mm Hg) | 103 ± 12 | 100 ± 8 | 0.176 | ||
| Diastolic BP mean (mm Hg) | 61 ± 8 | 59 ± 5 | 0.308 | ||
| Systolic BP z score | 0.63 ± 1.46 | 0.24 ± 1.03 | 0.292 | ||
| Diastolic BP z score | 0.85 ± 1.46 | 0.24 ± 1.03 | 0.566 | ||
| Mean arterial pressure z score | 0.86 ± 1.29 | 0.71 ± 0.78 | 0.632 | ||
| Systolic pre-hypertension, N (%) | 5 (29.4) | 45 (15.2) | 0.162 | 2.33 (0.78-6.94) | 2.71 (0.88-8.39) |
| Diastolic pre-hypertension, N (%) | 7 (41.2) | 65 (21.9) | 0.077 | 2.50 (0.92-6.82) | 2.55 (0.90-7.22) |
| Systolic hypertension, N (%) | 5 (29.4) | 27 (9.1) | 0.020 | 4.17(1.37-12.72)* | 6.25 (1.87-20.88)* |
| Diastolic hypertension, N (%) | 7 (41.2) | 38 (12.8) | 0.005 | 4.77 (1.71-13.39)* | 4.83 (1.66-14.07)* |
| Systolic and diastolic hypertension, N (%) | 5 (29.4) | 11 (3.7) | 0.001 | 10.83 (3.25-36.13)* | 18.49 (4.60-74.27)* |
| Systolic or diastolic hypertension, N(%) | 7 (41.2) | 53 (17.8) | 0.026 | 3.22 (1.17-8.85)* | 3.34 (1.24-10.02)* |
Pre-hypertension was defined as > 90th percentile of the ABP norm34;
#
Adjusted for age, gender, risk for OSA, and birth history;
Definition of abbreviations: BP, blood pressure; PLMS, periodic limb movement during sleep;
*
P < 0.05