Repeatability of a fully automated swept-source optical coherence tomography biometer and agreement with a low coherence reflectometry biometer

Table 3 Agreement between the two devices for different parameters analyzed

Parameter	Mean difference ± SD	95% CI	95% LoA	LoA interval
K1 (D)	− 0.011 ± 0.100	− 0.034, 0.011	− 0.208, 0.185	0.393
K2 (D)	− 0.024 ± 0.142	− 0.056, 0.008	− 0.302, 0.254	0.557
CCT (μm)	3.117 ± 4.026	2.199, 4.034	− 4.774, 11.008	15.783
ACD (mm)	0.012 ± 0.054	0.000, 0.024	− 0.093, 0.118	0.212
LT (mm)	− 0.024 ± 0.088	− 0.045, − 0.004	− 0.198, 0.148	0.347
AL (mm)	0.004 ± 0.020	− 0.001, 0.008	− 0.036, 0.044	0.080

K1 = flat keratometry; K2 = steep keratometry; CCT = central corneal thickness; ACD = anterior chamber depth; LT = lens thickness; AL = axial length; SD = standard deviation; CI = confidence interval; LoA = limits of agreement

ISSN: 2326-0254