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Quantification of the radiological findings of the chest X-ray according to the different grading systems used (n = 265).
| Grade | Classification: 6A | Classification: 6B | Classification: 8 |
|---|---|---|---|
| Mild | 28 (10.57%) | 68 (25.66%) | 55 (20.75%) |
| Moderate | 102 (38.49%) | 136 (51.32%) | 171 (64.53%) |
| Severe | 135 (50.94%) | 61 (23.02%) | 39 (14.72%) |
