Table 2 Participant characteristics and blood biomarkers by strain group. Means are reported with 95% confidence intervals in brackets
From: Acute effects of naturalistic THC vs. CBD use on recognition memory: a preliminary study
Strain group | t test | ||
|---|---|---|---|
THC | THC + CBD | ||
N | 15 | 16 | – |
Age | 26.80 [24.13–30.07] | 32.81 [26.37–43.94] | ns |
Gender (#F) | 7 | 8 | – |
First age of regular cannabis use | 16.15 [14.46–17.38]a | 21.44 [18.37–31.69] | ns |
Cannabis days in past 30 days | 25.15 [21.01–27.38] a | 18.94 [14.68–23.00] | * |
Time away from the van | 14.13 [10.87–19.44] | 17.12 [14.06–21.50] | ns |
Cannabinoid content (mg) | |||
CBD | 0.84 [0.26–1.77] b | 41.79 [25.71–79.28] | ** |
THC | 86.26 [57.87–124.37] b | 20.06 [12.24–33.54] | ** |
Total | 163.79 [108.86–231.05] b | 282.06 [200.95–415.31] | ns |
Blood plasma (ng/mL) | |||
Pretest | |||
CBD | 0.43 [0.16–0.95] | 1.21 [0.68–2.56] | ns |
THC | 9.17 [5.11–16.44] | 2.75 [1.53–4.30] | * |
THC-COOH | 67.50 [41.97–99.44] | 41.78 [22.69–75.50] | ns |
11-OH-THC | 9.28 [5.36–17.22] | 5.43 [2.80–9.74] | ns |
Sum THC + metabolites | 85.96 [54.27–131.35] | 49.96 [27.33–85.11] | ns |
Posttest | |||
CBD | 1.15 [0.56–2.68] | 35.25 [19.88–68.81] | ** |
THC | 278.31 [144.75–684.41] | 64.21 [36.46–109.80] | ns |
THC-COOH | 75.22 [49.04–111.51] | 40.54 [23.04–62.59] | ns |
11-OH-THC | 6.27 [3.27–13.65] | 3.12 [1.45–7.65] | ns |
Sum THC + metabolites | 359.79 [211.78–810.10] | 107.87 [67.23–155.49] | * |