Severity | N | Pre-Average^ | Follow-up Average | P value | Effect Size | Cohen's d | |
---|---|---|---|---|---|---|---|
Mild | 4 | 29.75 | 36 | 0.196 | 0.213 | 0.435 | Small |
Moderate | 10 | 53.1 | 34.5 | 0.02 | 0.506 | 1.172 | Large |
Severe | 10 | 68.3 | 47.2 | 0.065 | 0.0429 | 0.949 | Large |
Very Severe | 16 | 90 | 67.25 | 0.003 | 0.477 | 1.084 | Large |
Combined | 40 | 69.3 | 50.9 | <0.001 | 0.337 | 0.716 | Medium |