Difference of central foveal thickness measurement in patients with macular edema using optical coherence tomography in different display modes
Copyright © 2024 Lawali, Wu, Adam, Lin, Kong, Yi, Fang, Niu, Tang, Amza, Zhang, Yu, Yuan and Hu..
Purpose: To assess the differences in the measurement of central foveal thickness (CFT) in patients with macular edema (ME) between two display modes (1:1 pixel and 1:1 micron) on optical coherence tomography (OCT).
Design: This is a retrospective, cross-sectional study.
Methods: Group A consisted of participants with well-horizontal OCT B-scan images and group B consisted of participants with tilted OCT B-scan. We manually measured the CFT under the two display modes, and the values were compared statistically using the paired t-test. Spearman's test was used to assess the correlations between the OCT image tilting angle (OCT ITA) and the differences in CFT measurement. The area under the curve (AUC) was calculated to define the OCT ITA cutoff for a defined CFT difference.
Results: In group A, the mean CFT in the 1:1 pixel display mode was 420.21 ± 130.61 µm, similar to the mean CFT of 415.27 ± 129.85 µm in the 1:1 micron display mode. In group B, the median CFT in the 1:1 pixel display mode is 409.00 μm (IQR: 171.75 μm) and 368.00 μm (IQR: 149.00 μm) in the 1:1 micron display mode. There were significant differences between the two display modes with the median (IQR) absolute difference and median (IQR) relative difference of 38.00 μm (75.00 μm) and 10.19% (21.91%) (all p = 0.01). The differences in CFT measurement between the two display modes were correlated with the OCT ITA (absolute differences, r = 0.88, p < 0.01; relative differences, r = 0.87, p < 0.01). The AUC for a predefined CFT difference was 0.878 (10 μm), 0.933 (20 μm), 0.938 (30 μm), 0.961 (40 μm), 0.962 (50 μm), and 0.970 (60 μm).
Conclusion: In patients with DM, when the OCT B-scan images were well-horizontal, manual CFT measurements under the two display modes were similar, but when the B-scan images were tilted, the CFT measurements were different under the two display modes, and the differences were correlated to the OCT ITA.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:15 |
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| Enthalten in: |
Frontiers in endocrinology - 15(2024) vom: 05., Seite 1295745 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Lawali, Dan Jouma Amadou Maman [VerfasserIn] |
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| Links: |
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| Themen: |
Central foveal thickness |
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| Anmerkungen: |
Date Completed 14.02.2024 Date Revised 04.03.2024 published: Electronic-eCollection Citation Status MEDLINE |
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| doi: |
10.3389/fendo.2024.1295745 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM368348113 |
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| 100 | 1 | |a Lawali, Dan Jouma Amadou Maman |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Difference of central foveal thickness measurement in patients with macular edema using optical coherence tomography in different display modes |
| 264 | 1 | |c 2024 | |
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| 337 | |a ƒaComputermedien |b c |2 rdamedia | ||
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| 500 | |a Date Completed 14.02.2024 | ||
| 500 | |a Date Revised 04.03.2024 | ||
| 500 | |a published: Electronic-eCollection | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a Copyright © 2024 Lawali, Wu, Adam, Lin, Kong, Yi, Fang, Niu, Tang, Amza, Zhang, Yu, Yuan and Hu. | ||
| 520 | |a Purpose: To assess the differences in the measurement of central foveal thickness (CFT) in patients with macular edema (ME) between two display modes (1:1 pixel and 1:1 micron) on optical coherence tomography (OCT) | ||
| 520 | |a Design: This is a retrospective, cross-sectional study | ||
| 520 | |a Methods: Group A consisted of participants with well-horizontal OCT B-scan images and group B consisted of participants with tilted OCT B-scan. We manually measured the CFT under the two display modes, and the values were compared statistically using the paired t-test. Spearman's test was used to assess the correlations between the OCT image tilting angle (OCT ITA) and the differences in CFT measurement. The area under the curve (AUC) was calculated to define the OCT ITA cutoff for a defined CFT difference | ||
| 520 | |a Results: In group A, the mean CFT in the 1:1 pixel display mode was 420.21 ± 130.61 µm, similar to the mean CFT of 415.27 ± 129.85 µm in the 1:1 micron display mode. In group B, the median CFT in the 1:1 pixel display mode is 409.00 μm (IQR: 171.75 μm) and 368.00 μm (IQR: 149.00 μm) in the 1:1 micron display mode. There were significant differences between the two display modes with the median (IQR) absolute difference and median (IQR) relative difference of 38.00 μm (75.00 μm) and 10.19% (21.91%) (all p = 0.01). The differences in CFT measurement between the two display modes were correlated with the OCT ITA (absolute differences, r = 0.88, p < 0.01; relative differences, r = 0.87, p < 0.01). The AUC for a predefined CFT difference was 0.878 (10 μm), 0.933 (20 μm), 0.938 (30 μm), 0.961 (40 μm), 0.962 (50 μm), and 0.970 (60 μm) | ||
| 520 | |a Conclusion: In patients with DM, when the OCT B-scan images were well-horizontal, manual CFT measurements under the two display modes were similar, but when the B-scan images were tilted, the CFT measurements were different under the two display modes, and the differences were correlated to the OCT ITA | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Research Support, Non-U.S. Gov't | |
| 650 | 4 | |a central foveal thickness | |
| 650 | 4 | |a display mode | |
| 650 | 4 | |a macular edema | |
| 650 | 4 | |a optical coherence tomography | |
| 650 | 4 | |a optical coherence tomography image tilting angle | |
| 700 | 1 | |a Wu, Guanrong |e verfasserin |4 aut | |
| 700 | 1 | |a Adam, Nouhou Diori |e verfasserin |4 aut | |
| 700 | 1 | |a Lin, Zhangjie |e verfasserin |4 aut | |
| 700 | 1 | |a Kong, Huiqian |e verfasserin |4 aut | |
| 700 | 1 | |a Yi, Liaohui |e verfasserin |4 aut | |
| 700 | 1 | |a Fang, Ying |e verfasserin |4 aut | |
| 700 | 1 | |a Niu, Yongyi |e verfasserin |4 aut | |
| 700 | 1 | |a Tang, Changting |e verfasserin |4 aut | |
| 700 | 1 | |a Amza, Abdou |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Hongyang |e verfasserin |4 aut | |
| 700 | 1 | |a Yu, Honghua |e verfasserin |4 aut | |
| 700 | 1 | |a Yuan, Ling |e verfasserin |4 aut | |
| 700 | 1 | |a Hu, Yijun |e verfasserin |4 aut | |
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