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. 2022 Feb 15;36(2):151–158. doi: 10.1177/02698811211073759

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© The Author(s) 2022

This article is distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 License (https://creativecommons.org/licenses/by-nc/4.0/) which permits non-commercial use, reproduction and distribution of the work without further permission provided the original work is attributed as specified on the SAGE and Open Access pages (https://us.sagepub.com/en-us/nam/open-access-at-sage).

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Figure 1. — Decrease in GRID-HAMD depression scores over time from baseline through the 12-month follow-up (N = 24).

Data points are means and brackets are ±1 SD; lower brackets are truncated at GRID-HAMD scores of 0. Mean GRID-HAMD was 22.8 (3.9) at baseline, 8.7 (7.6) at 1 week, 8.9 (7.4) at 4 weeks, 9.3 (8.8) at 3 months, 7.0 (7.7) at 6 months, and 7.7 (7.9) at 12 months post-treatment. All timepoints were significantly different from baseline (p < 0.001). Cohen d effect size is shown for each timepoint. Cohen d (95% CI) was 2.3 (1.5–3.1) at 1 week, 2.3 (1.5–3.1) at 4 weeks, 2.0 (1.3–2.7) at 3 months, 2.6 (1.7–3.4) at 6 months, and 2.4 (1.6–3.2) at 12 months.