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Table 2 Data requests that could be performed with the i2b2 workbench or that required significant modifications.

From: Evaluating the informatics for integrating biology and the bedside system for clinical research

Request # No significant modifications Modifications required
   Institution specific Pre-processing Post-processing Exception conditions Temporal conditions Calculated fields Additional attributes Metadata modifications
1       
2         
3      
4          
5         
6         
7        
8       
9         
10         
11     
12        
13    
14      
15         
16         
17         
18       
19         
20       
21       
22  
23    
24         
25    
26        
27         
Total 12 7 14 15 3 13 9 12 14
% 44.4% 25.9% 51.8% 55.5% 11.1% 48.1% 33.3% 44.4% 51.8%