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. 2020 May 4;2020(5):CD012955. doi: 10.1002/14651858.CD012955.pub2

Comparison 28. Subgroup analysis: duration.

Outcome or subgroup title No. of studies No. of participants Statistical method Effect size
28.1 BPD symptom severity 22   Std. Mean Difference (IV, Random, 95% CI) Subtotals only
28.1.1 Less than 6 months 8 525 Std. Mean Difference (IV, Random, 95% CI) ‐0.76 [‐1.10, ‐0.42]
28.1.2 6 to 12 months 11 606 Std. Mean Difference (IV, Random, 95% CI) ‐0.36 [‐0.60, ‐0.12]
28.1.3 Above 12 months 3 113 Std. Mean Difference (IV, Random, 95% CI) ‐0.37 [‐0.75, 0.01]
28.2 Psychosocial functioning 20   Std. Mean Difference (IV, Random, 95% CI) Subtotals only
28.2.1 Less than 6 months 6 468 Std. Mean Difference (IV, Random, 95% CI) ‐0.31 [‐0.73, 0.11]
28.2.2 6 to 12 months 10 535 Std. Mean Difference (IV, Random, 95% CI) ‐0.25 [‐0.49, ‐0.01]
28.2.3 Over 12 months 4 263 Std. Mean Difference (IV, Random, 95% CI) ‐0.86 [‐1.62, ‐0.10]