| Grade | Group A | Group B | p-Value | Total | ||
|---|---|---|---|---|---|---|
| n | % | n | % | |||
| 1 | 3 | 20.00% | 6 | 40.00% | 0.228 | 9.000 |
| 2 | 4 | 26.67% | 0 | 0.00% | 0.116 | 4.000 |
| 3 | 2 | 13.33% | 0 | 0.00% | 0.044 | 2.000 |
| 4 | 5 | 33.33% | 8 | 53.33% | 0.028 | 13.000 |
| 5 | 1 | 6.67% | 1 | 6.67% | 0.008 | 2.000 |
| TOTAL | 15 | 100% | 15 | 100% | ||
| Mean | 2.80 | 2.87 | ||||
| ±sd | 1.32 | 1.60 | ||||
| p-value | 0.451 | |||||