Table 2. Intra- and interobserver variation.
| Measurement | Linear scale (cm) | Log-scale (CVa (%)) |
|---|---|---|
| Subcutaneous fat | ||
| Interobserver | 0.14 (0.11–0.19) | 9.5 (7.6–12.8) |
| Intraobserver: | ||
| Sonographer 1 | 0.10 (0.08–0.14) | 4.2 (3.3–5.6) |
| Sonographer 2 | 0.11 (0.09–0.14) | 6.1 (4.9–8.1) |
| Visceral fat | ||
| Interobserver | 0.34 (0.27–0.46) | 4.0 (3.2–5.4) |
| Intraobserver: | ||
| Sonographer 1 | 0.27 (0.22–0.36) | 3.4 (2.7–4.5) |
| Sonographer 2 | 0.23 ( 0.19–0.31) | 4.0 (3.2–5.4) |
Results are s.d. from the variance components model with 95% confidence intervals.
a
Coefficients of variation.