CT severity score Extent of lesions for each lung lobe
0 0%
1 <5%
2 5%-25%
3 26%-50%
4 51%-75%
5 >75%
CT: Computed tomography Scores were defined for each lobe and the total of the scores for each lobe constitutes the total lung score   Total score scale: 0-25 CT: Computed tomography Scores were defined for each lobe and the total of the scores for each lobe constitutes the total lung score   Total score scale: 0-25