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Degree of disability in both the experimental and the control groups.
| Degree of disability | Experimental group | Control group | ||
| (n = 40) | (n = 33) | |||
| No disability | 5 | (12.5%) | 8 | (24.2%) |
| Mild | 10 | (25%) | 16 | (48.5%) |
| Moderate | 18 | (45%) | 8 | (24.2%) |
| Severe | 7 | (17.5%) | 1 | (3%) |
| Total | 0 | (0%) | 0 | (0%) |
