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. 2014 Apr 25;16(6):437–441. doi: 10.1111/jch.12322

Table 1.

Demographic and Blood Pressure Variability Data

Demographic Data Overall Primary HTN Secondary HTN P Value
No. (%) 74 40 (54) 34 (46)
Age, y 13.3±3.8 13.6±3.6 12.9±4.0 .46
Men, No. (%) 55 (74) 32 (80) 23 (68) .15
Height, cm 159.3±19.9 164.1±17.6 153.1±21.1 .02
Weight, kg 65.2±28.9 70.7±29.5 58.8±27.2 .08
BMI z score 1.1±1.2 1.2±1.2 1.0±1.3 .58
LVMI, g/m2.7 36.7±9.1 35.4±10.0 38.2±7.9 .20
LVH, No. (%) 23 (31) 11 (28) 12 (35) .41
Antihypertensive medications, No. (%) 16 (22) 2 (5) 14 (41) <.001
Overall systolic, mm Hg
ARV 8.7±1.9 8.9±1.7 8.4±2.2 .19
SD 7.4±2.0 7.7±2.2 7.0±1.9 .22
Range 46.2±14.9 49.9±13.0 44.6±12.3 .43
Overall diastolic, mm Hg
ARV 9.1±2.4 9.4±2.5 8.8±2.2 .29
SD 7.8±2.0 8.0±2.2 7.4±1.8 .17
Range 47.7±14.8 49.7±16.4 45.2±12.4 .2
Wake period systolic, mm Hg
ARV 8.6±2.2 8.9±2.0 8.3±2.3 .29
SD 7.5±2.7 7.5±2.3 7.5±3 .9
Range 41.9±14.4 43.5±16 40.0±12.0 .31
Wake period diastolic, mm Hg
ARV 9.2±2.7 9.7±3.1 8.7±2.0 .15
SD 7.8±2.1 8.1±2.3 7.4±1.7 .19
Range 44.2±14.9 46.2±17.2 41.6±11.0 .19
Sleep period systolic, mm Hg
ARV 9.5±3.9 10.3±4.3 8.4±3.1 .04
SD 7.0±3.2 7.5±3.7 6.5±2.4 .21
Range 31.1±13.9 31.5±14.1 30.5±13.8 .77
Sleep period diastolic, mm Hg
ARV 9.2±3.7 9.0±3.5 9.5±3.9 .64
SD 7.1±3.0 6.8±2.7 7.4±3.3 .39
Range 32.1±17.7 29.2±14.0 35.9±21.1 .12

Abbreviations: ARV, average real variability; BMI, body mass index; HTN, hypertension; LVH, left ventricular hypertrophy; LVMI, left ventricular mass index; SD, standard deviation. Bold values indicate significance.