Skip to main content
. 2021 Nov 10;9(11):e30277. doi: 10.2196/30277

Table 2.

Distribution of the basic characteristics.


Characteristics Positive cases (N=8,827) Negative cases (N=11,126) P valuea
Demographics

Gender, n (%), male 5,251 (59.49) 6174 (55.49) <.001

Age, mean (SD), years 60.21 (11.88) 59.73 (11.94) .005

Years_after_hypertension, mean (SD), years 6.25 (5.64) 6.78 (5.27) <.001
Lifestyle (current or previous), n (%)

Smoking 768 (8.70) 1233 (11.08) <.001

Drink 1000 (11.33) 1643 (14.77) <.001
Family history, n (%)

FAM_hypertension 239 (2.71) 489 (4.40) <.001

FAM_diabetes 57 (0.65) 116 (1.04) .002
Physical examination, mean (SD)

SBPb, mmHg 133.76 (13.42) 131.33 (10.02) <.001

DBPc, mmHg 81.93 (9.56) 80.17 (7.45) <.001

PPDd, mmHg 52.16 (10.59) 51.15 (8.81) <.001
Trend characteristics, mean (SD)

N_followup_1year 4.13 (3.66) 5.89 (3.84) <.001

SBP_max, mmHg 140.29 (14.56) 142.77 (13.46) <.001

SBP_min, mmHg 127.17 (14.09) 122.81 (10.21) <.001

SBP_mean mmHg 133.20 (11.58) 131.75 (7.90) <.001

DBP_max, mmHg 86.47 (9.69) 89.10 (8.51) <.001

DBP_min, mmHg 76.67 (10.16) 73.42 (7.36) <.001

DBP_mean, mmHg 81.35 (8.17) 80.71 (5.80) <.001

PPD_max, mmHg 58.41 (12.02) 61.48 (10.83) <.001

PPD_min, mmHg 46.01 (11.05) 41.69 (8.28) <.001

PPD_mean, mmHg 51.89 (8.75) 51.04 (6.26) <.001

HRe_max, times/min 78.57 (7.08) 79.57 (7.11) <.001

HR_min, times/min 74.29 (6.68) 72.97 (5.97) <.001

SBP_delta_mean, mmHg 4.37 (3.53) 4.01 (3.17) <.001

DBP_delta_mean, mmHg 3.46 (2.44) 3.24 (2.10) <.001

PPD_delta_mean, mmHg 4.30 (3.08) 4.04 (2.68) <.001

HR_delta_mean, times/min 1.23 (1.83) 1.08 (1.51) <.001
Medical history, n (%)

Prior cardiovascular diseases 176 (1.99) 11 (0.1) <.001

Atrial fibrillation 53 (0.6) 16 (0.14) <.001

Atherosclerosis 488 (5.53) 358 (3.22) <.001

sleep disorder 99 (1.12) 475 (4.27) <.001

Dizziness and headache 1094 (12.39) 1804 (16.21) <.001

Malaise and fatigue 6 (0.07) 55 (0.49) <.001

Giddiness 9 (0.10) 55 (0.49) <.001

Migraine 7 (0.08) 38 (0.34) <.001

Antihypertensive treatment 8551 (96.87) 10905 (98.01) <.001

Lipid-lowering drug 1123 (12.72) 1046 (9.40) <.001

aPearson chi-square test was applied.

bSBP: systolic blood pressure.

cDBP: diastolic blood pressure.

dPPD: pulse pressure difference.

eHR: heart rate.