. Author manuscript; available in PMC: 2014 Nov 1.

Published in final edited form as: Ophthalmology. 2013 Jun 4;120(11):10.1016/j.ophtha.2013.04.007. doi: 10.1016/j.ophtha.2013.04.007

Table 3.

Bland-Altman analysis of the biometric measurements using swept source optical coherence tomography, partial coherence interferometry and immersion ultrasound A-scan biometry.

Parameter	SS-OCT vs. PCI		SS-OCT vs. IUS		PCI vs. IUS
	Mean±SD of Differences [μm]	95% Confidence Interval [μm]	Mean±SD of Differences [μm]	95% Confidence Interval [μm]	Mean±SD of Differences [μm]	95% Confidence Interval [μm]
	AL	35±50 (p=0.005)	−61 – 132	175±117 (p<0.001)	−54 – 403	139±94 (p<0.001)	−44 – 322
ACD	85±75 (p<0.001)	−61 – 232	37±164 (p=0.325)	−284 – 358	48±181 (p=0.248)	−402 – 306
LT	-	-	−268±236 (p<0.001)	−731 – 195	-	-
VD	-	-	415±155 (p<0.001)	111 – 719	-	-

SS-OCT = swept source optical coherence tomography; PCI = partial coherence interferometry (IOL Master); IUS – immersion ultrasound A-scan biometry; AL = axial eye length; ACD = anterior chamber depth; LT = lens thickness; VD = vitreous depth; SD = standard deviation.