Table 1

 Patient characteristics before and after the introduction of the National Service Framework (NSF) for coronary heart disease

Before NSF (31 March 2000 or earlier; n = 1993)After NSF (after 31 March 2000; n = 1378)p Value
Data are mean (SD) or number (%). Not all variables have complete data.
ACE, angiotensin converting enzyme; ACS, acute coronary syndromes; AMI, acute myocardial infarction; LBBB, left bundle branch block; UAP, unstable angina pectoris.
Age (years)62.9 (11.9)62.5(12.2)0.40
Men1406 (70.6%)965 (70%)0.75
Race
    Afro-Caribbean64 (3.2%)43 (3.1%)
    Asian664 (33.3%)524 (38.0%)
    White1244 (62.4%)780 (56.6%)0.001
    Other21 (1.1%)31 (2.2%)
Hypertension940 (47.8%)669 (48.6%)0.66
Diabetes541 (27.4%)408 (29.6%)0.16
Smoking704 (36%)526 (38.5%)0.14
Cardiac history
    ACS668 (33.5%)620 (45.3%)<0.0001
    Revascularisation338 (17.0%)219 (16.0%)0.44
Family history699 (35.9%)363 (26.6%)<0.0001
Diagnosis
    AMI783 (39.3%)566 (41.5%)0.21
    UAP1210 (60.7%)799 (58.5%)
Admission medication
    Aspirin1019 (55.0%)775 (56.8%)0.31
    ACE inhibitor434 (22.1%)333 (24.4%)0.12
    β Blockers462 (23.5%)322 (23.6%)0.96
    Diuretics450 (22.9%)276 (20.2%)0.06
Initial ECG ST change
    LBBB117 (6.1%)78 (5.7%)
    Paced0 (0%)2 (0.2%)
    Depression265 (13.9%)208 (15.3%)0.10
    Elevation636 (33.2%)406 (29.8%)
    None896 (46.8%)668 (49.1%)
Eligible for thrombolysis738 (38.4%)428 (31.2%)<0.0001