Umbrella review —— a new method related to evidence-based medical analysis
	    		
		   		
		   			
		   		
	    	
    	 
    	10.3760/cma.j.issn.0254-6450.2020.02.021
   		
        
        	
        		- VernacularTitle:伞形评价——一种新型循证医学分析方法
 
        	
        	
        	
        		- Author:
	        		
		        		
		        		
			        		Haixia LIU
			        		
			        		
			        		
			        			1
			        			
			        		
			        		
			        		
			        		
			        		;
		        		
		        		
		        		
			        		Dehua HU
			        		
			        		;
		        		
		        		
		        		
			        		Huaiqiong YIN
			        		
			        		
		        		
		        		
		        		
		        		
		        			
			        		
			        		Author Information
			        		
		        		
		        		
			        		
			        		
			        			1. 中南大学生命科学学院生物医学信息系
			        		
		        		
	        		
        		 
        	
        	
        	
        	
        		- Keywords:
        			
	        			
	        				
	        				
			        		
				        		Umbrella review;
			        		
			        		
			        		
				        		Meta-analysis;
			        		
			        		
			        		
				        		Evidence-based medicine
			        		
			        		
	        			
        			
        		
 
        	
            
            
            	- From:
	            		
	            			Chinese Journal of Epidemiology
	            		
	            		 2020;41(2):261-266
	            	
            	
 
            
            
            	- CountryChina
 
            
            
            	- Language:Chinese
 
            
            
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		        	Abstract:
			       	
			       		
				        
				        	Umbrella review is a newly developed method,used for evidence-based medicine analysis.It is somehow better than systematic reviews and Meta-analysis for medical evidence analysis.It is based on systematic reviews and Meta-analysis but in a more sophisticate way.In many specific occasions,it is similar to Meta-analysis but with more uniqueness.This paper introduces and focusing on the concept,major steps of operation,limitations and developing trends of the umbrella review.