Table 1.

Characteristics of participants in AASK with long–term follow-up by BP arm assignment at time of randomization

Characteristics at Time of RandomizationStrict BP, n=522Usual BP, n=545P Value
Mean age ± SD, yr54.3±10.854.2±10.40.78
Men321 (61.5)332 (60.9)0.85
Systolic BP ± SD, mmHg151.6±24.9149.1±22.60.09
Diastolic BP ± SD, mmHg96.2±14.894.9±13.70.14
Mean GFR ± SD, ml/min per 1.73 m246.8±13.346.1±14.00.40
Median proteinuria [interquartile range], g/d0.12 [0.04, 0.53]0.11 [0.04,0.59]0.75
Current smoker176 (33.7)135 (24.8)0.004
Heart diseasea282 (54.0)264 (48.4)0.07
Drug arm assignment0.91
 Angiotensin–converting enzyme inhibitor207 (39.7)218 (40.0)
β-Blocker209 (40.0)222 (40.7)
 Calcium channel blocker106 (20.3)105 (19.3)
  • All values are provided as N (%) unless otherwise specified.

  • a Heart disease was determined at baseline on the basis of a combination of self-report, chart review, or baseline electrocardiogram reading.