Influence Of Movement Games On Respiratory Function In Students With Hearing Impairments
Table 3:
| Percentage of predicted FEV1 value | Result |
| 80% or greater | normal |
| 70%–79% | mildly abnormal |
| 60%–69% | moderately abnormal |
| 50%–59% | moderate to severely abnormal |
| 35%–49% | severely abnormal |
| less than 35% | very severely abnormal |