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Table 2 Clinical events during the 18 months follow-up period

From: Intracoronary infusion of Wharton’s jelly-derived mesenchymal stem cells in acute myocardial infarction: double-blind, randomized controlled trial

Event Placebo WJMSCs P value
Events during procedure (n=58) (n=58)  
 Death 0 0  
 Obstruction of related-vessel 0 0  
 Severe arrhythmia 0 0  
Events 6-mo follow-up (cumulative) a (n=57) (n=58)  
 Death 1 0 0.49b
 Recurrence MI 0 0  
 Rehospitalization for heart failure 0 1 1.0b
 Stent thrombosis 0 0  
 Revascularization 0 1 1.0b
 Cerebral infarction 0 0  
 Arrhythmia 0 0  
 Immune system disorder    
 Ectopic tissue formation 0 1 1.0b
Combined events    
 Death or MI 1 0 0.49b
 Death, recurrence of MI, revascularization procedure 1 1 1b
 Death, MI, or rehospitalization for heart failure 1 1 1b
 Death, MI, stroke, rehospitalization for heart failure, severe arrhythmia 1 1 1b
 Immune system disorder, ectopic tissue formation 0 1 1b
Events 12-mo follow-up (cumulative)    
 Death 1 0 0.49b
 Recurrence MI 0 0  
 Rehospitalization for heart failure 0 1 1.0b
 Stent thrombosis 0 0  
 Revascularization 0 1 1.0b
 Cerebral infarction 0 0  
 Arrhythmia 0 0  
 Immune system disorder 0 0  
 Ectopic tissue formation 1 1 1.0b
Combined events    
 Death or MI 1 0 0.49b
 Death, recurrence of MI, revascularization procedure 1 1 1b
 Death, MI, or rehospitalization for heart failure 1 1 1b
 Death, MI, stroke, rehospitalization for heart failure, severe arrhythmia 1 1 1b
 Immune system disorder, ectopic tissue formation 1 1 1b
Events 18-mo follow-up (cumulative)    
 Death 1 0 0.49b
 Recurrence MI 0 0  
 Rehospitalization for heart failure 0 1 1.0b
 Stent thrombosis 0 0  
 Revascularization 0 1 1.0b
 Cerebral infarction 0 0  
 Arrhythmia 0 0  
 Immune system disorder 0 0  
 Ectopic tissue formation 1 1 1.0b
Combined events    
 Death or MI 1 0 0.49b
 Death, recurrence of MI, revascularization procedure 1 1 1b
 Death, MI, or rehospitalization for heart failure 1 1 1b
 Death, MI, stroke, rehospitalization for heart failure, severe arrhythmia 1 1 1b
 Immune system disorder, ectopic tissue formation 1 1 1b
  1. a1 Patient was lost in the placebo group. bFisher’s exact test was used
  2. MI myocardial infarction
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