Table 1

 Patient characteristics and outcomes for tested and non-tested groups*

All patientsTest subgroupsOR (95% CI); p value
Test not doneTest done
*Except for age all values are n (%).
CHD, coronary heart disease.
No of patients375190185
Age in years (mean (range))61.4 (21–96)63.0 (21–96)59.7 (21–91)p = 0.049
Sex (male)204 (54)91 (48)113 (61)1.7 (1.1 to 2.6); 0.014
ED diagnostic category
    Chest pain231 (62)145 (76)86 (46)0.3 (0.2 to 0.4); <0.0001
    Angina76 (20)28 (15)48 (26)2.0 (1.2 to 3.4); 0.010
    Myocardial infarction68 (18)17 (9)51 (28)3.9 (2.1 to 7.0); <0.0001
Disposition
    Coronary care unit154 (41)34 (18)120 (65)8.5 (5.3 to 13.7); <0.0001
    Other ward59 (16)36 (19)23 (12)0.6 (0.3 to 1.1); 0.111
    Home162 (43)120 (63)42 (23)0.2 (0.1 to 0.3); <0.0001
Risk factors
    CHD family history95 (25)34 (18)61 (33)2.3 (1.4 to 3.7); 0.001
    CHD personal history132 (35)74 (39)58 (31)0.7 (0.5 to 1.1); 0.152
    Renal disease20 (5)10 (5)10 (5)1.0 (0.4 to 2.5); 1.0
    Obesity49 (13)21 (11)28 (15)1.4 (0.8 to 2.6); 0.308
    Hypertension172 (46)89 (47)83 (45)0.9 (0.6 to 1.4); 0.779
    Current smoker95 (25)44 (23)51 (28)1.3 (0.8 to 2.0); 0.388
    Ex-smoker82 (22)36 (19)46 (25)1.4 (0.9 to 2.3); 0.207
    Diabetes mellitus70 (19)35 (18)35 (19)1.0 (0.6 to 1.7); 1.0
Previous lipid testing
    Known abnormal75 (20)39 (21)36 (20)0.9 (0.6 to 1.6); 0.898
    Known normal100 (27)42 (22)58 (31)0.6 (0.4 to 1.0); 0.056
    Unknown200 (53)109 (57)91 (49)1.4 (0.9 to 2.1); 0.138