Table 3 Performance parameters of the automatic urinometer and the manual urinometera
Upper LOA | Bias | Lower LOA | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Urinometer parameters | n | SD | SE | CI+ | \( \overline{\mathbf{x}} \) | CI− | CI+ | \( \overline{\mathbf{x}} \) | CI− | CI+ | \( \overline{\mathbf{x}} \) | CI− | |
AU | All | 220 | 7.7 | 0.5 | +18.9 | +17.1 | +15.4 | +2.9 | +1.9 | +0.9 | −11.6 | −13.3 | −15.1 |
<100 ml | 176 | 6.4 | 0.5 | +15.4 | +13.8 | +12.2 | +2.2 | +1.3 | +0.3 | −9.7 | −11.3 | −12.9 | |
≥100 ml | 44 | 11.4 | 1.7 | +33.5 | +27.6 | +21.6 | +8.0 | +4.5 | +1.0 | −12.6 | −18.6 | −24.5 | |
MU | All | 188 | 8.4 | 0.6 | +23.9 | +21.8 | +19.8 | +6.5 | +5.3 | +4.1 | −9.2 | −11.3 | −13.4 |
<100 ml | 124 | 4.5 | 0.4 | +13.1 | +11.6 | +10.4 | +3.6 | +2.8 | +2.0 | −4.8 | −6.2 | −7.6 | |
≥100 ml | 64 | 11.5 | 1.4 | +38.1 | +33.1 | +28.2 | +13.0 | +10.1 | +7.2 | −8.0 | −12.9 | −17.9 | |