Table 2 Quantitative metrics of SC from three AS-OCT devices.
From: Evaluation of different OCT systems in quantitative imaging of human Schlemm's canal
OCT device | CIRRUS (N = 120) | PLEX (N = 120) | CASIA (N = 120) | P-value |
|---|---|---|---|---|
Cross sectional area (SD), µm2 | 9552.78 (1406.03) | 8643.46 (1573.69) | 7890.57 (1246.92) | < 0.001 |
Mean difference, µm2 CIRRUS – PLEX (95% CI) | 909.32 (359.47, 1459.17) | 0.011 | ||
Mean difference, µm2 CIRRUS – CASIA (95% CI) | 1662.21 (1147.86, 2176.57) | < 0.001 | ||
Mean difference, µm2 PLEX – CASIA (95% CI) | 752.89 (224.76, 1281.03) | 0.035 | ||
Contrast (SD) | 0.60 (0.05) | 0.52 (0.06) | 0.41 (0.05) | < 0.001 |
Mean difference CIRRUS – PLEX (95% CI) | 0.08 (0.06,0.10) | < 0.001 | ||
Mean difference CIRRUS – CASIA (95% CI) | 0.19 (0.17,0.21) | < 0.001 | ||
Mean difference PLEX – CASIA (95% CI) | 0.11 (0.09,0.13) | < 0.001 | ||
Coverage (SD), % | 87.6 (11.8) | 76.7 (14.8) | 71.3 (17.6) | < 0.001 |
Mean difference, % CIRRUS – PLEX (95% CI) | 10.84 (5.47, 16.22) | 0.015 | ||
Mean difference, % CIRRUS – CASIA (95% CI) | 16.23 (9.53, 22.93) | < 0.001 | ||
Mean difference, % PLEX – CASIA (95% CI) | 5.39 (0.22, 10.56) | 0.29 | ||
Continuity (SD), % | 73.5 (23.2) | 65.3 (21.7) | 60.0 (21.7) | > 0.05 |
