Multiple Sclerosis International / 2015 / Article / Tab 3 / Research Article
Applying an Open-Source Segmentation Algorithm to Different OCT Devices in Multiple Sclerosis Patients and Healthy Controls: Implications for Clinical Trials Table 3 Longitudinal comparison of retinal layer thicknesses between Spectralis and Cirrus HD-OCT.
Layer Mean change Spectralis (SD) (μ m) Mean change Cirrus (SD) (μ m) Mean difference (95% CI) (μ m) Upper LOA (95% CI) (μ m) Lower LOA (95% CI) (μ m) mRNFL −0.29 (2.11) −0.09 (1.42) −0.195 (−0.47 to 0.08) 3.52 (3.04, 4.00) −3.92 (−4.40, −3.43) GCIP −0.54 (2.27) −0.60 (2.16) 0.060 (−0.12 to 0.24) 2.45 (2.15, 2.76) −2.33 (−2.64, −2.02) INL −0.046 (0.69) −0.004 (0.71) −0.042 (−0.16 to 0.07) 1.56 (1.36, 1.77) −1.65 (−1.86, −1.44) INL + OPL −0.041 (1.59) −0.056 (1.17) 0.015 (−0.25 to 0.28) 3.54 (3.09, 4.00) −3.51 (−3.97, −3.06) ONL −0.073 (1.60) −0.089 (1.33) 0.016 (−0.17 to 0.20) 2.55 (2.22, 2.87) −2.52 (−2.85, −2.19) ONL + PR 0.04 (2.20) −0.17 (1.91) 0.213 (−0.03 to 0.45) 3.42 (3.01, 3.84) −3.00 (−3.42, −2.59) RPE −0.023 (1.01) −0.032 (1.05) 0.009 (−0.15 to 0.17) 2.21 (1.93, 2.50) −2.20 (−2.49, −1.91)
mRNFL: macular retinal nerve fiber layer; GCIP: ganglion cell layer + inner plexiform layer; INL: inner nuclear layer; INL + OPL: inner nuclear layer + outer plexiform layer; ONL: outer nuclear layer; ONL + PR: outer nuclear layer + photoreceptor segments; RPE: retinal pigment epithelium.