Table 2.

The pooled incidence rate of repositioning surgery with different subgroups.

Variable	Number of articles	Case/total	Pooled estimate [95% CI]	Heterogeneity I2∗ (%)	Q value	OR (95% CI)	P value
Total	19	77/3220	2 [1–3]	53	0.01
Haptic
Loop	13	53/2855	2 [1–2]	15	0.29	0.264 (0.160–0.436)	≤0.001
Plate	5	23/344	6 [4–9]	0	0.60	1.00
Material
Silicone	6	24/365	6 [4–9]	0	0.63	1.00
Hydrophobic acrylic	13	53/2855	2 [1–2]	15	0.29	0.289 (0.164–0.441)	≤0.001
Products
Acrysof	9	27/1932	2 [1–2]	0	0.63	0.198 (0.112–0.349)	0.003
Staar	5	23/344	6 [4–9]	0	0.60	1.00	≤0.001
TECNIS	2	24/819	3 [2–4]	0	0.58	0.421 (0.234–0.757)	0.003
PhysIOL SA	1	1/71
T-flex 623T	1	1/33
Microsil 6116TU	1	1/21

^∗ The chi-square test was used for two sample rates and list χ² test was used for multiple sample rates. P < 0.05 was considered statistically significant.