Table 4: Comparison of the process results in the first and second phases
Criteria Standard   Phase 1 (% )   Phase 2 (% )   P-value
1. Register 100%   100%   100%   /

2.

BP measured >2 occasions prior to commencement of drug therapy

 90%   87.3%   85%   0.6
3. Target organ damage assessed: 90%            
  a. retinopathy     7.4%   38.7%   <0.0005
  b. left ventricular hypertrophy     19.8%   51.6%   <0.0005
  c. angina     52.1%   96.8%   <0.0005
  d. stroke     12.9%   48.4%   <0.0005
  e. heart failure     56.7%   96.8%   <0.0005
  f. peripheral vascular disease     7.4%   45.2%   <0.0005
  g. renal disease     57.6%   87.1%   0.001
4. Risk factors assessed 90%            
  a. smoking habit     99.7%   100%   0.991
  b. body mass index     98.6%   99.7%   0.215
  c. diabetes mellitus     94.3%   97.2%   0.059
  d. serum cholesterol     90.5%   94.3%   0.059
  e. excessive alcohol intake     99.4%   100%   0.475
  f. physical inactivity     81.7%   96.6%   <0.0005
  g. family history of coronary artery disease     98.3%   99.7%   0.126
5. Pre-treatment blood pressure > 140/90 90%   99.2%   99.2%   1
6. Patient reviewed at least every 6 months 90%   98.2%   97.7%   0.41
7. a. BP <140/90 70%   53%   66.2%   <0.0005
  b. BP <130/80 (DM or renal disease)     20%   32.5%   0.074
8. Patient referred for specialist advice 90%   57.1%   85.7%   0.559
9. Side effects of drugs assessed annually 80%   78.8%   77%   0.564
10. Diet advice given annually 80%   67.9%   90.6%   <0.0005