Table 1.
List of the OCT Devices, Software Version, Name, Range, Threshold Recommendation of the MSI, and Descriptive MSI Statistics for the Data Samples Used in This Study
|
Device |
||||
|
Cirrus |
RTVue |
Spectralis |
3D OCT-1000 |
|
| Company | Carl Zeiss Meditec, Inc., Dublin, CA | Optovue, Inc., Freemont, CA | Heidelberg Engineering, Inc., Heidelberg, Germany | Topcon, Inc., Tokyo, Japan |
| Software version | research browser 5.0.0.326 | UWFPRC 4.0.6.13 | 5.1.3 | 4.13.002.02* |
| MSI name | Signal strength | Signal strength index | Quality | Image quality metric |
| Range | 0–10 | 0–100 | 0–40 | 0–100 |
| Recommended Threshold | 6 | 39 | 15 | 45 |
| MSI statistics for this study | ||||
| N | 30 | 30 | 30 | 30 |
| Minimum | 0 | 17.6 | 7.6 | 15.28 |
| Maximum | 10 | 73 | 32 | 74.76 |
| Mean | 5.70 | 47.26 | 21.24 | 41.09 |
| Range tested | 0–10 | 15–80 | 5-35 | 10–80 |
| K-S test | 0.2000 | 0.1933 | 0.1983 | 0.1548 |
The Kolmogorov-Smirnov (K-S) test was used to examine distribution uniformity of the data samples on the tested MSI ranges.
*
All 3D OCT-1000 scans were captured with software version 2.12.