Corneal Astigmatism Alteration after Combined Silicone Oil Removal and Cataract Surgery with Intraocular Lens Implantation

Table 3

Comparison of corneal astigmatism status in the postoperative visit.

Parameters	Time	MD	value	95% CI for difference
				Lower bound	Upper bound
K1	3 D-post-op	—	—	—	—
	1 W-post-op	−0.082	0.256	−0.211	0.047
	1 M-post-op	−0.192	0.029∗	−0.366	−0.019
K2	3 D-post-op	—	—	—	—
	1 W-post-op	0.089	0.171	−0.032	0.211
	1 M-post-op	0.154	0.021	0.022	0.286
Corneal astigmatism	3 D-post-op	—	—	—	—
	1 W-post-op	−0.172	<0.001	−0.255	−0.089
	1 M-post-op	−0.346	<0.001	−0.493	−0.199

D, day; W, week; M, month; post-op, postoperation; MD, mean difference; CI, confidence interval. .