Table I.
Behavioral responses to placebo and cholecystokinin‐tetrapeptide (CCK‐4) in the whole study population
| Placebo scan | CCK‐4 scan | |||||||
|---|---|---|---|---|---|---|---|---|
| Baseline | After placebo | Baseline | After CCK‐4 | |||||
| Mean | SD | Mean | SD | Mean | SD | Mean | SD | |
| PSS sum of symptoms | 3.25 | 0.86 | 5.88 | 1.26 | 2.00 | 0.84 | 26.25 | 2.42 |
| PSS number of symptoms | 2.63 | 0.63 | 4.38 | 0.85 | 1.88 | 0.76 | 12.06 | 0.74 |
Sum score of symptoms in the PSS and number of symptoms reported in the PSS, at baseline, after placebo administration and after CCK‐4 challenge. Values are given as mean ± SD.