Table 2 Age, body mass index, percentages of smoking and drinking habits, and the use of antihypertensive drugs, and systolic and diastolic blood pressures among the ACE genotypes in all subjects, the subjects aged <50 years, and the subjects aged 50 years

From: Relation between the angiotensin-converting enzyme insertion/deletion polymorphism and blood pressure in Japanese male subjects

  ACE genotype  
  DD ID II ANOVA P
All subjects (n=706)     
Number 87 (12.3%) 305 (43.2%) 314 (44.5%)  
Age, mean (years) 50.3±0.9 52.4±0.5 52.3±0.4 0.083
Age, range (years) 31–77 31–87 33–71
BMI (kg/m2) 24.5±0.3 24.1±0.2 24.1±0.1 0.481
Smoking (%) 35.6 41.3 36.6 0.409
Drinking (%) 55.2 52.5 50.6 0.737
Anti-HT drugs (%) 12.6 14.4 12.4 0.749
SBP (mmHg) 128.2±2.1 128.4±0.9 125.9±1.0 0.182
DBP (mmHg) 84.4±1.4 82.7±0.7 81.1±0.7 0.063
Subjects aged<50 years (n=264)     
Number 41 (15.5%) 109 (41.3%) 114 (43.2%)  
Age, mean (years) 43.2±0.8 44.2±0.4 44.1±0.4 0.377
Age, range (years) 31–49 31–49 33–49
BMI (kg/m2) 24.6±0.6 24.3±0.3 24.3±0.3 0.830
Smoking (%) 39.0 49.5 43.0 0.430
Drinking (%) 56.1 51.4 51.8 0.866
Anti-HT drugs (%) 9.8 3.7 5.3 0.333
SBP (mmHg) 126.3±3.1 122.4±1.2 126.0±1.8 0.218
DBP (mmHg) 82.6±2.1 80.2±1.1 81.7±1.5 0.557
Subjects aged 50 years (n=442)     
Number 46 (10.4%) 196 (44.3%) 200 (45.2%)  
Age, mean (years) 56.7±0.8 57.0±0.4 57.0±0.4 0.945
Age, range (years) 50–77 50–87 50–71
BMI (kg/m2) 24.4±0.4 24.1±0.2 24.0±0.2 0.618
Smoking (%) 32.6 36.7 33.0 0.704
Drinking (%) 54.3 53.1 50.0 0.777
Anti-HT drugs (%) 15.2 20.4 16.5 0.520
SBP (mmHg) 129.9±2.7 131.7±1.2* 125.8±1.2 0.003
DBP (mmHg) 85.9±1.9 84.1±0.8 80.8±0.8 0.003
  1. Abbreviations in Table 1. Statistical analysis was performed using an analysis of variance (ANOVA). When a significant overall effect was detected by ANOVA, Scheffe's F-test was used for the comparison of two variables.
  2. *P<0.01.
  3. P<0.05, vs II.