Table 3.

 Reported cut-off points and summary measures of diagnostic accuracy in studies of urinary spot protein:creatinine ratio in hypertensive pregnant women

Study	Reported cut-off point		Sensitivity (%)	Specificity (%)	Area under receiver operating curve (95% CI*)	Likelihood ratio
	mg/mg	mg/mmol				Positive	Negative
Al et al 2004w1	0.19	21	85.0	73.0	0.86 (0.80 to 0.93)	3.15	0.21
Durnwald et al 2003w2	0.39	44	72.6	73.1	0.80	2.70	0.37
Ramos et al 1999w5	0.5	57	96.0	96.0	—	24.00	0.04
Robert et al 1997w6	—	—	93.0	90.0	—	9.30	0.08
Rodriguez-Thompson et al 2001w7	0.19	21	90.0	70.0	0.91 (0.87 to 0.96)	3.00	0.14
Saudan et al 1997w8	0.27	30	93.0	92.0	0.82	11.63	0.08
Taherian et al 2006w9	0.18	20	86.3	100	0.94 (0.88 to 0.98)	Infinity	0.14
Valerio et al 2005w10	—	—	91.0	90.0	0.97†	9.1	0.10
Wheeler et al 2007w11	0.21	24	86.8	77.6	0.82	3.88	0.17
Yamasmit et al 2004w12	0.25	28	96.6	92.3	0.93	12.55	0.04
Young et al 1996w13	0.15	17	91.0	41.0	0.86	1.54	0.22

*When available.

†Morning urine (8 am to 2 pm).