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Table 7 The weighting, i.e. the component score in percentage of the total score, given to the different scoring components in each radiological scoring system. The Northern [19] scoring system for radiography could not be compared with the above given systems due to large differences in the scoring procedures

From: Radiography, tomosynthesis, CT and MRI in the evaluation of pulmonary cystic fibrosis: an untangling review of the multitude of scoring systems

   Radiography Tomosynthesis CT MRI
  Scoring systems Chrispin-Norman 1974 Brasfield 1979 Wisconsin 1993 Vult von Steyern 2012 Bhalla 1991 Nathanson 1991 Maffessanti 1996 Shah 1997 Santamaria 1998 Helbich 1999 Robinson 2001 Brody II 2004 Eichinger 2012
  Reference number [13] [11] [18] [5] [22] [23] [25] [27] [28] [30] [32] [34] [9]
  Scoring components/component score in percentage of total score
Lung volume Increased lung volume 16% 18% 12.5% 4%    9%   7%     
Emphysema      8%      7%    
Air trapping (expiratory images)            20% 11%  
Bronchial wall thickening 21% 18% 12.5% 16% 12%   18% 12.5%   10% 11% 20% 22% 7%
Bronchiectasis Bronchiectasis 21% 9% 31% 32% 30% 83% 55% 25% 25% 17% 20% 30% 7%
Air-fluid levels         12.5%      
Sacculations or abscesses      12%      11%    17%
Bronchiectasis/wall thickening              (17%)a
Bronchiectasis/mucus plugging   (18%)a            
Mucus plugging   21% 9% 12.5% 32% 18% 17%   37.5%b 15% 17% 20% 15% 17%
Parenchyma Consolidation and atelectasis 21% 23%   16%     12.5%   7% 20%   
Consolidation    12.5%     9%   7%    7.5% 17%
Atelectasis    19%   8%     7%     
Cysts/Bullae      12%     10% 11%   7.5%  
Atelectasis, cysts and bullae        9%       
Thickened intra-/inter-lobular septa          10%     
Mosaic perfusion           7%    
Ground glass opacities          10%    7.5%  
System specific score components General severity   23%            
Special findings (pleural affection)              17%
Perfusion defect size              17%
  Maximum score 38 22 100 100 25 72 132 24 30 27 120 100 72
  1. a In the Brasfield score [11], bronchiectasis and mucus plugging are scored together as “nodular cystic lesions”, and in the MRI [9] score bronchiectasis and bronchial wall thickening are scored together. In this table these scores are divided between the two entities
  2. b In the Shah score [27], centrilobular nodules are scored separately; in this table this entity is included in the mucus plugging score