Comparison 1. Dynamic splinting versus delayed or no splinting.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1.1 Acetabular index: angle (RCTs)	4		Mean Difference (IV, Fixed, 95% CI)	Totals not selected
1.1.1 Six months	1		Mean Difference (IV, Fixed, 95% CI)	Totals not selected
1.1.2 One year	2		Mean Difference (IV, Fixed, 95% CI)	Totals not selected
1.1.3 Two years	2		Mean Difference (IV, Fixed, 95% CI)	Totals not selected
1.2 Acetabular index: angle (non RCTs)	1		Mean Difference (IV, Fixed, 95% CI)	Totals not selected
1.2.1 Two years	1		Mean Difference (IV, Fixed, 95% CI)	Totals not selected
1.3 Need for operative intervention	6		Risk Ratio (M‐H, Fixed, 95% CI)	Totals not selected
1.3.1 RCT	3		Risk Ratio (M‐H, Fixed, 95% CI)	Totals not selected
1.3.2 Prospective study	2		Risk Ratio (M‐H, Fixed, 95% CI)	Totals not selected
1.3.3 Retrospective study	1		Risk Ratio (M‐H, Fixed, 95% CI)	Totals not selected
1.4 Avascular necrosis	4		Risk Ratio (M‐H, Fixed, 95% CI)	Totals not selected
1.4.1 Quasi RCT	1		Risk Ratio (M‐H, Fixed, 95% CI)	Totals not selected
1.4.2 Prospective study	1		Risk Ratio (M‐H, Fixed, 95% CI)	Totals not selected
1.4.3 Retrospective study	1		Risk Ratio (M‐H, Fixed, 95% CI)	Totals not selected
1.4.4 Observational study	1		Risk Ratio (M‐H, Fixed, 95% CI)	Totals not selected