Table 2.

Data summary for the control and 3D groups

Control (CTR) vs 3D (3D Printed)	HIP CTR-12mo	HIP 3D-12mo
Number per group	83	114
Pooled average HHS Pre (± SD)	38.15 (± 6.02)	37.81 (± 5.84)
Pooled average HHS Post (± SD)	80.30 (± 4.79)	90.60 (± 4.49)
Average difference	42.15	52.79
Effect size [95% CI (LL, UL)]	8.57 [1.48, 15.56]	9.18 [3.50, 14.86]
Subgroup analysis of homogeneity (p-value)	0.89	0.89