Table 2.

Receiver operating characteristic curve analysis of U _COL to identify U _OSM ≥ 500 mOsm kg⁻¹

Group	AUC	SE	P	Criterion value	Sensitivity (%)	Specificity (%)
24-h U COL
Pregnant women	0.6848	0.0774	0.0463	4	92	41
Lactating women	0.9513	0.0355	<0.0001	4	91	93
Control women	0.9109	0.0310	<0.0001	4	96	80
Single-sample U COL
Pregnant women	0.9193	0.0190	<0.0001	4	98	70
Lactating women	0.9216	0.0244	<0.0001	4	90	78
Control women	0.9094	0.0205	<0.0001	4	86	88