Table 2. Mean (±SD) scores of the defense mechanisms in subjects participating in the study .
| Defensive mechanism group | Defensive mechanism | IBS group | Control group | comparison statistics (t test) | |
| t | p | ||||
| Immature | Rationalization | 11.4 ± 3.5 | 12.2 ± 3.8 | 1.125 | 0.264 |
| Projection | 7.8 ± 4.0 | 5.6 ± 4.1 | 2.567 | 0.012 | |
| Denial | 6.2 ± 2.9 | 6.3 ± 3.8 | 0.031 | 0.975 | |
| Omnipotence | 8.3 ± 4.4 | 7.6 ± 3.7 | 0.781 | 0.437 | |
| Devaluation | 9.5 ± 3.9 | 9.3 ± 4.1 | 0.291 | 0.771 | |
| Acting out | 11.4 ± 4.3 | 9.5 ± 4.4 | 2.057 | 0.043 | |
| Somatization | 12.9 ± 3.9 | 10.6 ± 5.4 | 2.239 | 0.022 | |
| Autistic fantasy | 9.9 ± 5.3 | 6.9 ± 4.3 | 2.966 | 0.004 | |
| Splitting | 8.9 ± 3.6 | 8.6 ± 4.9 | 0.26 | 0.796 | |
| Passive aggression | 9.7 ± 2.9 | 7.9 ± 4.4 | 2.396 | 0.021 | |
| Displacement | 8.7 ± 4.7 | 7.4 ± 3.7 | 1.425 | 0.158 | |
| Isolation | 7.7 ± 3.8 | 6.9 ± 4.1 | 1.011 | 0.315 | |
| Total | 112.5 ± 22.3 | 98.9 ± 25.3 | 2.709 | 0.008 | |
| Mature | Suppression | 8.7 ± 4.1 | 9.5 ± 4.1 | 0.86 | 0.387 |
| Sublimation | 10.2 ± 4.4 | 9.8 ± 4.2 | 0.491 | 0.625 | |
| Humor | 8.0 ± 4.5 | 10.8 ± 4.6 | 2.948 | 0.004 | |
| Anticipation | 12.9 ± 3.6 | 14.4 ± 3.1 | 2.018 | 0.047 | |
| Total | 39.9 ± 11.1 | 44.5 ± 10.8 | 1.989 | 0.0498 | |
| Neurotic | False altruism | 13.0 ± 3.9 | 12.8 ± 3.6 | 0.308 | 0.759 |
| Reaction formation | 10.0 ± 3.8 | 7.8 ± 4.3 | 2.584 | 0.011 | |
| Intellectualization | 11.0 ± 4.6 | 11.3 ± 4.9 | 0.29 | 0.773 | |
| Undoing | 11.8 ± 3.1 | 11.9 ± 4.0 | 0.089 | 0.929 | |
| Total | 45.9 ± 10.6 | 43.8 ± 12.4 | 0.872 | 0.386 | |
*IBS: irritable bowel syndrome