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Table 6 Treatment of STEMI by ethnicity

From: Ethnic differences in the occurrence of acute coronary syndrome: results of the Malaysian National Cardiovascular Disease (NCVD) Database Registry (March 2006 - February 2010)

Treatment of STEMI Ethnic Group    χ2‡ df#  p§
Malays Chinese Indians Others*
No. (%) No. (%) No. (%) No. (%)
Primary PCI 188 (5.6) 111 (9.0) 93 (7.9) 30 (7.4) 40.7 6 0.000
Fibrinolysis 2607 (78.1) 858 (69.5) 878 (74.3) 307 (76.2)
No reperfusion+ 544 (16.3) 265 (21.5) 211 (17.9) 66 (16.4)
Total 3339 (100.0) 1234 (100.0) 1182 (100.0) 403 (100.0)
Fibrinolysis subgroup        
Type of fibrinolytic drug used        
Streptokinase 1924(97.1) 671(98.0) 661(96.2) 238(97.9) 4.3 3 0.226
Other fibrinolytic drugs 58(2.9) 14(2.0) 26(3.8) 5(2.1)   
Door-to-needle time within 30 min 559(8.4) 181(5.9) 217(6.9) 54(7.5) 20.3 3 0.000
Door-to-needle time (min)† 50(27–100) 55(30–101) 49(24–102) 59(30–116) 10.7 3 0.013¥ (0.01, 0.02)¥
Door-to-balloon time (min)† 112(78–168) 109(73–156) 96(71–165) 81(48–124) 10.4 3 0.018¥ (0.01,0.02)¥
  1. *Others: Indigenous (Orang Asli), Kadazan, Melanau, Murut, Bajau, Bidayuh, Iban (minor ethnic groups) and other non-Malaysians.
  2. Median (IQR).
  3. Pearson Chi-Square.
  4. #Degree of freedom.
  5. §P value.
  6. +Reason for no reperfusion includes refusal, missed fibrinolysis, and contraindication.
  7. ¥Kruskal-Wallis test with Monte Carlo level of significance (99% CI).