Comparison between Amnisure Placental Alpha Microglobulin-1 Rapid Immunoassay and Standard Diagnostic Methods for Detection of Rupture of Membranes

Table 2

Final determination of rupture of membrane and performance metrix of each test.

Test	Result		Sensitivity (%)	Specificity (%)	Positive predictive value (%)	Negative predictive value (%)
	Positive	Negative
Standard diagnostic methods	146	41	78.1	100	100	36.9
Placenta alpha microglobulin-1	179	8	95.7	100	100	75.0
Nitrazine test	145	42	77.5	100	100	36.3
Fern test	117	70	62.6	100	100	25.5
Pooling of liquor	162	25	86.6	100	100	49.0