Table 3. Comparison of Presenting Symptoms Between CAD and Non-CAD Cases.

Diagnosis	CAD (n = 464)		Non-CAD (n = 85)		RR (95% CI)	P-value
	No.	%	No.	%
CSA	96	20	19	22	0.92 (0.71 - 1.18)	0.51
USA	31	7	50	59	0.89 (0.55 - 0.43)	0.59
NSTEMI	137	29	16	19	0.97 (0.73 - 0.30)	0.87
STEMI	200	44	0	0	1.15 (0.91 - 0.44)	0.25
Total	464	100	85	100

RR: relative risk; CI: confidence interval.