| Group | Control (N = 10) | PQ (N = 10) | BNF + PQ (N = 10) | HSP + PQ (N = 10) | X2 Test | P value |
| No (%) | No (%) | No (%) | No (%) | |||
| Negative (0)/Weak (1) | 9 (90.0) | 0 (0.0) | 2 (20.0) | 1 (10.0) | 31.17 | <0.001** |
| Moderate(2) | 1 (10.0) | 2 (20.0) | 7 (70.0) | 8 (80.0) | ||
| Strong(3) | 0 (0.0) | 8 (80.0) | 1 (10.0) | 1 (10.0) | ||
| Total | 10 (100.0) | 10 (100.0) | 10 (100.0) | 10 (100.0) |