Table 2. Unadjusted Means and Difference Scores of Pain Diary and Pain Recall Ratings at Each Study Visit.
| Visit and Group | Pain Diary | Pain Recall | ||
|---|---|---|---|---|
| Patients, No. | Mean (SE) | Patients, No. | Mean (SE) | |
| Visit 3 | ||||
| Placebo | 49 | 4.83 (0.23) | 49 | 4.78 (0.24) |
| Pregnenolone | 45 | 5.24 (0.22) | 43 | 5.15 (0.23) |
| Difference | −0.40 (0.32) | −0.38 (0.33) | ||
| Visit 4 | ||||
| Placebo | 48 | 4.61 (0.29) | 49 | 4.72 (0.28) |
| Pregnenolone | 45 | 4.81 (0.24) | 44 | 4.70 (0.24) |
| Difference | −0.19 (0.38) | 0.02 (0.37) | ||
| Visit 5 | ||||
| Placebo | 47 | 4.56 (0.27) | 47 | 4.44 (0.26) |
| Pregnenolone | 44 | 4.43 (0.30) | 44 | 4.23 (0.29) |
| Difference | 0.14 (0.40) | 0.21 (0.39) | ||
| Visit 6 | ||||
| Placebo | 42 | 4.74 (0.26) | 42 | 4.86 (0.27) |
| Pregnenolone | 41 | 4.19 (0.30) | 41 | 4.18 (0.29) |
| Difference | 0.55 (0.40) | 0.68 (0.39) | ||