Comparison of outcomes in emergency department patients with suspected cardiac chest pain: two-centre prospective observational study in Southern China

Table 2 Comparison of 30-day and 6-month mortality in patients with different diagnoses between the two hospitals (N = 996)

	30-day mortality in GZ (n = 407)	30-day mortality in HK (n = 589)	P	6-month mortality in GZ (n = 407)	6-month mortality in HK (n = 589)	P
Final diagnoses
Ischemia coronary chest pain	6 (1.5)	0 (0)	0.005*	7 (1.7)	2 (0.3)	0.036*
NSTEMI, n (%)	4 (1.0)	0 (0)		5 (1.2)	1 (0.2)
Unstable angina, n (%)	2 (0.5)	0 (0)		2 (0.5)	0 (0)
Stable angina, n (%)	0 (0)	0 (0)		0 (0)	1 (0.2)
Non-ischaemia cardiac causes, n (%)	4 (1.0)	0 (0)	0.28	5 (1.2)	3 (0.5)	0.283
Non-cardiac causes, n (%)	5 (1.2)	2 (0.3)	0.129	7 (1.7)	6 (1.0)	0.339
Total	15 (3.7)	2 (0.3)	< 0.0001*	19 (4.7)	11 (1.9)	0.011

The death reasons of non-cardiac chest pain were: pulmonary embolism = 1 in GZ, pneumonia = 1in GZ and 3 in HK, ischaemic stroke = 1 in GZ, cancer = 1 in GZ and 3 in HK, other reasons = 3 in GZ
The death reasons of non-ischaemic cardiac chest pain were: heart failure = 2in GZ and 2 in HK, Valvular heart disease = 1 in HK, Aortic dissection = 3 in GZ
*statistically significant

ISSN: 1471-2261