Table 3

 Risk of coronary event (n=230) within five years from index clinic attendance in 1375 patients deemed appropriate for angiography comparing patients who did not undergo angiography with those who did

VariableNo of events/No of patients (%)Hazard ratio (95% CI)
Angiography not receivedAngiography receivedUnivariateMultivariable*P value
Age (years):
 ≤4923/70 (33)6/42 (14)3.02 (1.79 to 5.10)3.30 (1.70 to 6.43)<0.001
 50-6479/452 (17)25/217 (12)1.52 (0.91 to 2.53)1.90 (1.07 to 3.37)0.028
 ≥6581/433 (17)16/161 (10)1.83 (1.33 to 2.52)2.23 (1.37 to 3.62)0.001
Sex:
 Men81/360 (20)34/270 (13)1.86 (1.12 to 3.09)1.90 (1.12 to 3.22)0.017
 Women102/595 (16)13/150 (9)1.97 (1.24 to 3.14)2.75 (1.52 to 5.00)0.001
Ethnicity:
 White142/742 (18)39/370 (11)1.88 (1.42 to 2.49)2.23 (1.46 to 3.39)<0.001
 South Asian41/213 (18)8/50 (16)1.22 (0.65 to 2.31)1.52 (0.68 to 3.39)0.307
Deprivation (fifths):
 Less deprived (1-4)135/727 (17)37/360 (10)1.87 (1.38 to 2.53)2.31 (1.55 to 3.43)<0.001
 Most deprived (5)48/228 (21)10/60 (17)1.32 (0.95 to 1.84)1.48 (1.10 to 2.00)0.010

*Each variable mutually adjusted for other variables (age, sex, ethnicity, deprivation) and for secondary prevention medication (aspirin, β blockers, statins) and abnormal exercise ECG variable).