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. 2021 Oct 5;2021:3444083. doi: 10.1155/2021/3444083

Table 2.

Interobserver reproducibility of corneal thickness assessment with Enhanced Spectral-Domain and Spectral-Domain-Optical Coherence Tomography in normal eyes.

Mean standard deviation (μm) Mean coefficient of variation (%)
ESD-OCT SD-OCT p ESD-OCT SD-OCT p
Central 1.21 1.99 0.03 0.2 0.4 0.03
Minimal 1.77 1.96 0.77 0.3 0.4 0.73
2–5 mm superior 6.24 4.94 0.63 1.1 0.8 0.66
2–5 mm supero-nasal 2.24 4.58 0.001 0.4 0.8 0.0005
2–5 mm nasal 2.43 3.37 0.036 0.4 0.6 0.01
2–5 mm infero-nasal 2.11 2.66 0.19 0.4 0.5 0.11
2–5 mm inferior 2.28 3.28 0.14 0.4 0.6 0.11
2–5 mm infero-temporal 2.32 2.76 0.44 0.4 0.5 0.40
2–5 mm temporal 2.13 3.54 0.004 0.4 0.6 0.003
2–5 mm supero-temporal 2.69 4.88 0.004 0.5 0.9 0.002
5–6 mm superior 7.50 7.03 0.88 1.1 1.1 0.88
5–6 mm supero-nasal 5.11 7.97 0.22 0.8 1.3 0.11
5–6 mm nasal 3.64 6.18 0.09 0.5 1.0 0.046
5–6 mm infero-nasal 9.66 5.66 0.45 1.5 1.0 0.53
5–6 mm inferior 2.52 7.44 0.008 0.4 1.3 0.006
5–6 mm infero-temporal 3.36 6.37 0.08 0.5 1.1 0.06
5–6 mm temporal 3.71 4.67 0.32 0.6 0.8 0.19
5–6 mm supero-temporal 7.27 6.72 0.78 1.1 1.1 0.93

Each measurement was performed by 3 trained operators in 30 eyes of 30 patients. Data in bold indicate significant differences between ESD-OCT and SD-OCT.