Reader 1 | Reader 2 | Mean (reader 1, reader 2) | ||||
---|---|---|---|---|---|---|
TSE | BLADE | TSE | BLADE | TSE | BLADE | |
Image sharpness | 2.20 ± 1.04 | 1.62 ± 0.76*** | 2.45 ± 1.11 | 1.50 ± 0.73*** | 2.32 ± 1.02 | 1.56 ± 0.68*** |
Artifacts | ||||||
Motion | 2.23 ± 1.24 | 1.55 ± 0.91*** | 2.30 ± 1.18 | 1.55 ± 0.87*** | 2.27 ± 1.17 | 1.55 ± 0.83*** |
Truncation | 2.77 ± 0.99 | 2.42 ± 0.72* | 2.53 ± 0.65 | 2.12 ± 0.49*** | 2.65 ± 0.73 | 2.27 ± 0.52*** |
Metal | 3.78 ± 0.44 | 3.89 ± 0.33ns | 4.00 ± 0.00 | 3.44 ± 0.53ns | 3.89 ± 0.22 | 3.67 ± 0.35ns |
Flow phenomena | 2.93 ± 0.82 | 1.98 ± 0.77*** | 3.00 ± 0.92 | 2.18 ± 0.62*** | 2.97 ± 0.79 | 2.08 ± 0.62*** |
Contrast | ||||||
Vertebral body/disk | 2.38 ± 0.96 | 2.12 ± 0.80* | 1.93 ± 1.02 | 1.18 ± 0.47*** | 2.16 ± 0.86 | 1.65 ± 0.54*** |
Spinal cord/CSF | 2.42 ± 0.98 | 1.97 ± 0.80** | 2.62 ± 1.08 | 1.62 ± 0.78*** | 2.52 ± 0.93 | 1.79 ± 0.69*** |
Diagnostic reliability | ||||||
Spinal cord | 3.03 ± 1.26 | 2.70 ± 0.89** | 2.93 ± 1.19 | 2.38 ± 0.78*** | 2.98 ± 1.16 | 2.54 ± 0.77*** |
Note:—Wilcoxon rank sum test; ns indicates no significant difference between TSE and BLADE (P ≥ .05);
* P < .05;
** P < .01;
*** P< .001.