TABLE 3.
Overview of means, mean differences and p-values on the Rey-Osterrieth Complex Figure Task.
| Study | Serotonergic psychedelic | Control | Weight | Mean difference | ||
|---|---|---|---|---|---|---|
| Mean (SD) | N | Mean (SD) | N | |||
| ROCF–Copy (p = 0.26, I 2 = 57%) | ||||||
| Barbosa et al. (2016)* | 33.05 (3.07) | 30 | 33.444 (2.77) | 27 | 11.9% | −0.39 [−1.91, 1.12] |
| Doering-Silveira et al. (2005a) | 34.64 (1.46) | 40 | 34.08 (2.58) | 40 | 32.6% | 0.56 [−0.36, 1.48] |
| Halpern et al. (2005) | 33.9 (2.1) | 61 | 33.6 (2.1) | 78 | 55.5% | 0.30 [−0.40, 1.00] |
| ROCF–Delayed recall (p = 0.14; I 2 = 0%) | ||||||
| Barbosa et al. (2016)* | 22.88 (7.51) | 30 | 21.648 (6.03) | 27 | 15.6% | 1.23 [−2.29, 4.75] |
| Doering-Silveira et al. (2005b) | 21.89 (5.0) | 40 | 21.69 (6.79) | 40 | 28.2% | 0.20 [−2.41, 2.81] |
| Halpern et al. (2005) | 22.9 (5.7) | 61 | 21.5 (5.3) | 78 | 56.2% | 1.40 [−0.45, 3.25] |
* = Means and standard deviation courtesy of Barbosa et al.; N, sample size; SD, standard deviation; ROCF, Rey-Osterrieth Complex Figure Test