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. 2019 Feb 22;14:9. doi: 10.1186/s13011-019-0198-1

Table 2.

The effect of crocin on psychological parameters in methadone maintenance treatment patients

Variables Placebo group (n = 25) Crocin group (n = 25) Difference in outcome measures between crocin and placebo treatment groupsa
Baseline Week 8 Baseline Week 8 β (95% CI) P b
BDI score 23.6 ± 6.6 24.7 ± 7.3 22.8 ± 5.4 17.6 ± 5.0 −6.66 (−9.88,-3.45) < 0.0001
BAI score 19.2 ± 4.0 19.2 ± 3.5 19.7 ± 6.6 15.3 ± 5.2 −4.35 (−5.94, −2.75) < 0.0001
GHQ score 35.6 ± 13.0 34.4 ± 12.23 34.8 ± 11.5 29.3 ± 10.2 −4.45 (−7.68, −1.22) 0.008
PSQI 6.7 ± 2.3 7.0 ± 2.6 6.4 ± 2.3 4.1 ± 1.8 −2.73 (−3.74, −1.73) < 0.0001
IIEF 22.0 ± 11.8 21.6 ± 12.1 21.0 ± 16.7 25.64 ± 16.5 4.98 (2.08, 7.88) 0.001

Data are mean ± SDs

a“Outcome measures” refers to the change in values of measures of interest between baseline and week 8. β [difference in the mean outcomes measures between treatment groups (crocin group = 1 and placebo group = 0)]

bObtained from multiple regression model (adjusted for baseline age and BMI)

BDI Beck Depression Inventory, BAI Beck Anxiety Inventory, GHQ general health questionnaire, IIEF International Index of Erectile Functions, PSQI Pittsburgh Sleep Quality Index