Research Article

Value of Assessing Autonomic Nervous Function by Heart Rate Variability and Heart Rate Turbulence in Hypertensive Patients

Table 3

Clinical characteristics of hypertensive patients with controlled blood pressure group and uncontrolled blood pressure group.

BP controlled group BP uncontrolled group P value
(n=66)(n=54)

Age (yr)57.03±6.8159.30±8.260.109
Male gender (n, %)27/66 (40.9%)27/54 (50.0%)0.319
BMI (kg/m2)25.19±3.3425.22±3.250.954
Smoker (n, %)20/66 (30.3%)20/54 (37.0%)0.436
Stable CAD (n, %)18/66 (27.3%)19/54 (35.1%)0.350
Dyslipidemia (n, %)58/66 (87.9%)47/54 (87.0%)0.890
SBP (mmHg)124.97±9.72147.20±10.45<0.0001
DBP (mmHg)78.02±7.4386.82±10.970.000
Heart rate (bpm)72.35±8.2774.03±8.000.364
Creatinine (μM)67.14±14.8767.59±14.460.867
CHOL (mM)4.83±0.934.84±1.080.945
TG (mM)2.00±1.492.29±2.680.663
LDL-c (mM)2.97±0.812.86±0.840.472
HDL-c (mM)1.11±0.251.09±0.300.436
Ejection fraction (%)62.33±4.7861.39±5.600.321
LVEDd (cm)4.40±0.484.41±0.390.907
IVS (cm)1.00±0.151.00±0.220.891
Medication
 Bata-blockers (n, %)32/66 (48.5%)28/54 (51.9%)0.714
 ACEI (n, %)14/66 (21.2%)12/54 (22.2%)0.894
 ARBs (n, %)19/66 (28.8%)23/54 (42.6%)0.115
 CCB (n, %)37/66 (56.1%)39/54 (72.2%)0.068
 Diuretics (n, %)6/66 (9.1%)6/54 (11.1%)0.714
 Categories of drugs0.021
  Monotherapy (n,%)32/66 (48.5%)15/54 (27.7%)
  ≥Two-drug therapy (n, %)34/66 (51.5%)39/54 (72.2%)

BP, blood pressure; BMI, body mass index; CAD, coronary artery disease; SBP, systolic blood pressure; DBP, diastolic blood pressure; CHOL, cholesterol; TG, triglyceride; LDL-c, low-density lipoprotein cholesterol; HDL-c, high-density lipoprotein cholesterol; LVEDd, left ventricular end diastolic diameter; IVS, interventricular septum; ACEI, angiotensin-converting enzyme inhibitor; ARBs, angiotensin receptor blocker; CCB, calcium channel blocker.