Table 4.
Intra- and interoperator reproducibilities across volunteers for ten regions in seven organs
| MHz | Intraoperator ICC | Interoperator reproducibility | ||||
|---|---|---|---|---|---|---|
| Operator 1 | Operator 2 | ICC | Mean bias (%) | 95% LOA (%) | ||
| Thyroid | 9 | 0.95 [0.91–0.97] | 0.95 [0.91–0.97] | 0.69 [0.33–0.85] | 2.96 | − 46.0~52.2 |
| Lymph node | 9 | 0.98 [0.97–0.99] | 0.96 [0.99–0.98] | 0 [0–0.52] | 5.27 | − 72.1~82.6 |
| Muscle | 9 | .94[.90–.97] | 0.97 [0.95–0.98] | 0 [0–0.55] | 3 | − 42.9~48.9 |
| Spleen | 4 | 0.86 [0.77–0.93] | 0.87 [0.78–0.93] | 0.65 [0.26–0.83] | 9.87 | − 28.0~47.7 |
| Kidney | 4 | 0.78 [0.63–0.88] | 0.85 [0.74–0.92] | 0.82 [0.62–0.91] | 10.8 | − 45.3~66.9 |
| Pancreas | 4 | 0.57 [0.27–0.77] | 0.69 [0.48–0.84] | 0.70 [0.37–0.86] | − 1.35 | − 43.8~40.8 |
| Liver Lt lobe | 4 | 0.78 [0.62–0.88] | 0.86 [0.77–0.93] | 0.65 [0.26–0.83] | 3.34 | − 35.6~42.2 |
| Liver Rt lobe 4 cm | 4 | 0.85 [0.74–0.92] | 0.90 [0.83–0.95] | 0.79 [0.54–0.90] | 1.26 | − 21.3~23.8 |
| Liver Rt lobe 6 cm | 4 | 0.77 [0.61–0.88] | 0.89 [0.81–0.94] | 0.55 [0.02–0.79] | − 1.21 | − 29.0~25.6 |
| Liver Rt lobe 8 cm | 4 | 0.77 [0.60–0.89] | 0.82 [0.68–0.91] | 0.67 [0.24–0.85] | − 0.41 | − 31.7~30.8 |
Data in parentheses are 95% confidence intervals
ICC = intraclass correlation coefficient, LOA = limits of agreement