Skip to main content
. Author manuscript; available in PMC: 2012 Oct 8.
Published in final edited form as: Br J Ophthalmol. 2009 Mar 19;93(6):775–781. doi: 10.1136/bjo.2008.150698

Table 3.

Mean with 95% limits of agreement* (mean values shown are spectral-domain optical coherence tomography (SD-OCT) minus time-domain optical coherence tomography (TD-OCT)) and correlation (R2) between SD-OCT and TD-OCT measurements in healthy participants and patients

Healthy participants
 Patients
Mean (μm) (95% limits of agreement) R2 Mean (μm) (95% limits of agreement) R2
TEMP RNFL −6.3 (3.4 to 0.14×Temp RNFL thickness ± 18.0) 0.76* −7.8 (3.3 to 0.18×Temp RNFL thickness ± 10.0) 0.85*
SUP RNFL −9.6 (3.4 to 0.11×Sup RNFL thickness ± 24.9) 0.47* −8.7 (14.6 to 0.24×Sup RNFL thickness ± 18.4) 0.75*
NAS RNFL −7 (20.1 to 0.36×Nas RNFL thickness ± 20.0) 0.55* −1.5 (34 to 0.52×Nas RNFL thickness ± 17.4) 0.54*
INF RNFL −9 (9.2 to 0.15×Inf RNFL thickness ± 20.4) 0.69* −4.5 (4.5 to 0.09×Inf RNFL thickness ± 14.5) 0.86*
AVG RNFL −8 (11.0 to 0.19×Avg RNFL thickness ± 7.0) 0.87* −5.7 (12.4 to 0.23×Avg RNFL thickness ± 7.9) 0.92*
*

95% limits of agreement are expresses as bo+ b1×value of retinal nerve fibre layer (RNFL) thickness ±1.96SDresiduals.

AVG RNFL, average RNFL thickness; INF RNFL, inferior quadrant RNFL thickness; NAS RNFL, nasal quadrant RNFL thickness; RNFL, retinal nerve fibre layer; SUP RNFL, superior quadrant RNFL thickness; TEMP RNFL, temporal quadrant RNFL thickness.