A Comparative Study of Two Types of Implantation Surgery Methods for Implantable Collamer Lenses

Table 2

The comparison between the corneal endothelial cell count (cells/mm²) of the two groups.

Time	Group		95% CI for difference
	Group 1	Group 2	Lower limit	Upper limit
Preoperative	2591.25 ± 230.01	2572.40 ± 202.46	−76.164	38.476	0.516
1 week	2581.70 ± 215.65	2557.66 ± 242.81	−80.914	32.831	0.403
1 month	2579.50 ± 220.45	2550.00 ± 243.94	−85.574	28.429	0.322
3 months	2583.98 ± 198.15	2545.50 ± 256.39	−96.758	19.799	0.193

Group 1 vs. group 2 at each time point,  > 0.05. CI, confidence of interval.