Table 2.
Mood and stimulus perception during the MRI session
| Disc-Thold | H.Intens | H.Disc | SSR |
||||
|---|---|---|---|---|---|---|---|
| Stress | Anxiety | Anger | Fatigue | ||||
| Control group | |||||||
| Mean | 28.0 | 15.8 | 14.0 | 3.2 | 2.5 | 2.4 | 4.5 |
| SD | 7.1 | 2.2 | 3.0 | 1.5 | 1.2 | 1.5 | 1.9 |
| Max | 44.2 | 18.5 | 17.5 | 6.0 | 4.6 | 5.3 | 7.8 |
| Min | 17.5 | 11.0 | 8.0 | 0.9 | 0.8 | 0.4 | 1.1 |
| IBS group | |||||||
| Mean | 22.5 | 16.6 | 15.2 | 6.8 | 6.0 | 5.8 | 6.3 |
| SD | 6.2 | 2.3 | 2.3 | 1.6 | 1.6 | 2.2 | 1.4 |
| Max | 35.0 | 19.5 | 18.5 | 8.6 | 8.9 | 8.1 | 8.8 |
| Min | 12.5 | 11.0 | 10.5 | 4.1 | 3.5 | 0.5 | 4.0 |
| p (group) | 0.05 | NS | NS | 0.0* | 0.0* | 0.0002 | 0.01 |
Disc-Thold, Discomfort threshold (mmHg); H.Intens, highest inflation intensity; H.Disc, highest inflation discomfort; Max, maximum; Min, minimum; p (group), two-tailed t test probability of group difference. *p < 0.00001.