From: Performance and user evaluation of a novel capacitance-based automatic urinometer compared with a manual standard urinometer after elective cardiac surgery
Urinometer
AU
MU
Sensitivity (%)
90.4
98.2
Specificity (%)
98.5
96.2
Positive predictive value (%)
97.4
91.7
Negative predictive value (%)
94.4
99.2