Severity | CRB-65 score | frequency | Proportions of measurable CRB-65 | |
Non-severe | 0 | 18 | 26.9% | |
1 | 26 | 38.8% | ||
Mild | 2 | 13 | 19.4% | |
Severe | 3 | 10 | 14.9% | |
4 | 0 | 0% | ||
5 | 0 | 0% | ||