Transvaginal Sonographic Evaluation of the Cervix in Asymptomatic Singleton Pregnancy and Management Options in Short Cervix

Table 4

Authors	𝑛	GW at testing	Test	Outcome (GW)	Sen. (%)	Spec. (%)	PPD (%)	NPD (%)
Fukami et al. [58]	3030	16–19	Absence CGA	22–31	75.0	99.8	54.5	99.9
			CL ≤ 30 mm + Absence CGA	22–31	50.0	99.8	40.0	99.9
			Absence CGA	32–36	2.3	99.7	18.2	97.2
			CL ≤ 30 mm + Absence CGA	32–36	2.3	99.7	20.0	97.2
Pires et al. [59]	338	21–24	Absence CGA	<35	54.5	99.1	66.7	98.5
			Absence CGA	<37	38.1	9.7	88.9	96.0