No of re-measured FMTM scans | |||||
VRC | |||||
UW-FPRC | No | Yes | Total | ||
No | 57 | 6 | 63 | ||
Yes | 8 | 29 | 37 | ||
Total number | 65 | 35 | 100 | ||
κ | 0.70 | ||||
SE | 0.07 | ||||
95% CI | 0.55 to 0.84 |
Manually re-measured centre point thickness | |||||
No of re-measured scans at both sites | 29 | ||||
Intraclass correlation coefficient | 0.92 | ||||
95% CI | 0.845 to 0.96 | ||||
Pearson p (precision) | 0.94 | ||||
Bias correction factor Cb (accuracy) | 0.9824 |
VRC | UW-FPRC | ||||
Mean (μm) | 298 | 276 | |||
SE | 21.3 | 22.5 | |||
SD | 114.9 | 121.2 | |||
Minimum | 139 | 115 | |||
Maximum | 501 | 544 |
Values in bold indicate consistent grading. FMTM, fast macular thickness map; UW-FPRC, University of Wisconsin-Madison Reading Center; VRC, Vienna Reading Center.