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

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

  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
  1. 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
  2. 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
  3. *statistically significant