Table 2.
Correlation coefficient (r), ICC, and Bland-Altman analysis in NC measured by two methods: manual and BIA.
| Total | Male | Female | |
|---|---|---|---|
| Spearman r | 0.90∗∗∗ | 0.81∗∗∗ | 0.83∗∗∗ |
| ICC | 0.95 | 0.90 | 0.90 |
| Bland-Altman analysis | |||
| Bias (BIA-manual) | −1.07 | −1.23 | −0.96 |
| SD | 1.51 | 1.39 | 1.57 |
| 95% LOA | −4.02 to 1.89 | −3.96 to 1.50 | −4.04 to 2.12 |
| Percentage error (%) | 4.38 | 3.81 | 4.58 |
∗∗∗ p < 0.0001; r: correlation coefficient; ICC: interclass correlation coefficients; NC: neck circumference; BIA: bioelectrical impedance analysis; SD: standard deviation; LOA: limits of agreement.