Descriptive statistics | Reproducibility | Inter-observer | Intra-observer | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
(scan 1 vs. scan 2) | variability | variability | |||||||||||
Bland-Altman | Correlation | Bland-Altman | Correlation | Bland-Altman | Correlation | ||||||||
Mean ± SD (range) | d | σd | r | P value | d | σd | r | P value | d | σd | r | P value | |
Ultrasound | |||||||||||||
ONSD 3 mm | 5.43 ± 0.49 | −0.07 | ±0.69 | 0.75 | 0.001 | 0.25 | ±0.51 | 0.82 | <0.001 | −0.01 | ±0.22 | 0.97 | <0.001 |
(4.6 – 6.4) | |||||||||||||
ONSD 5 mm | 5.53 ± 0.57 | −0.11 | ±0.66 | 0.82 | <0.001 | 0.52 | ±1.12 | 0.62 | 0.01 | −0.09 | ±0.47 | 0.90 | <0.001 |
(4.8 – 6.8) | |||||||||||||
MR imaging | |||||||||||||
ONSD 3 mm | 5.69 ± 0.77 | 0.00 | ±0.85 | 0.83 | <0.001 | −0.27 | ±0.36 | 0.98 | <0.001 | −0.01 | ±0.26 | 0.99 | <0.001 |
(4.7 – 7.9) | |||||||||||||
ONSD 5 mm | 5.09 ± 0.66 | −0.01 | ±0.87 | 0.76 | 0.001 | −0.14 | ±0.39 | 0.97 | <0.001 | 0.01 | ±0.25 | 0.98 | <0.001 |
(4.2 – 7.1) |