Protocol | Nothing | Low | Moderate | Total | p | |||
Pr1 | 0 | 0.00% | 21 | 56.76% | 16 | 43.24% | 37 | <0.0001 |
Pr2 | 4 | 9.52% | 30 | 71.43% | 8 | 19.05% | 42 | |
Pr3 | 3 | 6.67% | 26 | 57.78% | 16 | 35.56% | 45 | |
Pr4 | 10 | 24.39% | 31 | 75.61% | 0 | 0.00% | 41 |