Table 2.

Characteristics of the lenticule thickness and ΔLT (μm)

Parameters	Predicted lenticule thickness	Measured lenticule thickness
		Ultrasound	Pupil center	Corneal Vertex
Mean ± SD Range	106.55 ± 23.24 (60 ~  155)	93.53 ± 20.39 (46 ~  139)	90.30 ± 20.54 (42 ~  134)	89.89 ± 20.47 (43 ~  135)
Predicted to measured (ΔLT) (μm)	–	13.02 ± 8.84 (− 9 ~  33)	16.26 ± 8.69 (− 10 ~  37)	16.66 ± 8.87 (− 9 ~  37)
95% limits of agreement	–	−4.67 ~  30.71	− 1.11 ~  33.63	− 1.07 ~  34.39
Proportion of ΔLT in predicted value	–	11.9% ± 8.0%	15.1% ± 8.0%	15.4% ± 8.0%