Table 2

Conventional and ambulatory blood pressures and heart rate of the study participants with and without incident atrial fibrillation

Characteristics   No AFIncident AFP value*
Participants with available daytime ABP  n=3813 n=143
 Conventional blood pressure (mm Hg)*
  Systolic124.6±16.3135.1±20.1<0.0001
  Diastolic77.2±10.780.2±12.2<0.0001
   Pulse pressure47.4±11.854.9±15.7<0.0001
 Conventional heart rate (bpm)70.7 ±10.268.9±10.30.036
 Daytime blood pressure (mm Hg)
  Systolic124.9±11.6130.3±13.0<0.0001
  Diastolic77.4±8.179.3±8.90.0006
   Pulse pressure47.5±7.851.0±9.7<0.0001
 Systolic blood pressure load, daytime (%)13.3 (3.23–36.8)26.7 (11.8–57.1)<0.0001
 Daytime heart rate (bpm)78.4±10.975.4±10.60.0003
Participants with complete 24-hour ABP  n=2665 n=111
 Conventional blood pressure (mm Hg)*
  Systolic125.4±16.8136.0±20.7<0.0001
  Diastolic77.7±10.880.8±12.30.011
   Pulse pressure47.7±11.955.1±16.4<0.0001
 Conventional heart rate (bpm)72.2±10.270.2±10.60.043
 Mean 24-hour blood pressure (mm Hg)
  Systolic119.1±11.3124.7±12.5<0.0001
  Diastolic72.0±7.674.4±8.60.0014
   Pulse pressure47.1±7.450.3±8.90.0003
  Mean 24-hour heart rate (bpm)72.8±8.870.8±9.40.023
 Daytime blood pressure (mm Hg)
  Systolic125.4±12.0130.4±12.8<0.0001
  Diastolic77.8±8.279.3±8.90.048
   Pulse pressure47.7±7.951.1±9.50.0003
  Daytime heart rate (bpm)79.1±10.676.6±10.60.016
 Night-time blood pressure (mm Hg)
  Systolic108.5±12.2113.5±14.40.0005
  Diastolic62.5±8.565.3±10.10.0058
   Pulse pressure46.0±7.848.2±8.90.011
  Night-time heart rate (bpm)63.7±8.962.4±9.70.15

  • Values are arithmetic mean±SD or median (10%–90% percentiles). P-values are for differences between two groups.

  • *Average of five blood pressure readings obtained at one home visit.

  • ABPM, ambulatory blood pressure; AF, atrial fibrillation; CV, cardiovascular.