Side effect | G I | G II | G III | G IV | X2 | P-value | ||||
N | % | N | % | N | % | N | % | |||
Yes | 4 | 13.3 | 3 | 10 | 1 | 3.3 | 4 | 13.3 | 2.222 | 0.528 |
No | 26 | 86.7 | 27 | 90 | 29 | 96.7 | 26 | 86.7 |