. 2020 Dec 31;15(12):e0244590. doi: 10.1371/journal.pone.0244590

Table 1. Mean value, mean difference and 95% limit of agreement of axial length in 175 eyes and anterior chamber depth in 104 eyes readings of the two biometry devices.

		Mean value ± SD (mm)	Mean difference ± SD (95% confidence interval) (mm)	p-value^*	95% LoA
Axial length	PCI	24.45 ± 0.14	-0.03 ± 0.09 (-0.04, -0.02)	<0.001	0.36 (-0.15 to 0.21)
	SS-OCT	24.42 ± 0.13	-0.03 ± 0.09 (-0.04, -0.02)	<0.001	0.36 (-0.15 to 0.21)
ACD	PCI	3.44 ± 0.54	0.06 ±0.10 (0.04, 0.08)	<0.001	0.40 (-0.14 to 0.26)
	SS-OCT	3.50 ± 0.57	0.06 ±0.10 (0.04, 0.08)	<0.001	0.40 (-0.14 to 0.26)

*: p-value of paired T-test between two devices.

SD: standard deviation; LoA: limits of agreement; PCI: partial coherence interferometry, SS-OCT: swept-source optical coherence tomography; ACD: anterior chamber depth.