Research Article

Prognosis and Prognostic Factors of Patients with Emergent Cerclage: A Japanese Single-Center Study

Table 1

Patients’ backgrounds.

Characteristicn = 123

Age (years), median (IQR)34 (31–36)
<30, n (%)26 (21)
30–34, n (%)46 (37)
35–39, n (%)40 (33)
≥40, n (%)11 (9)
Primiparous, n (%)44 (36)
Pregnancy by ART, n (%)13 (11)
History of CS, n (%)21 (17)
History of myomectomy, n (%)2 (2)
History of cervical cerclage, n (%)7 (6)
History of conization, n (%)2 (2)
History of SPTB30 (24)
In the 2nd trimester13 (11)
In the 3rd trimester17 (14)
Slight bleeding at admission, n (%)7 (6)
Presurgical CL (mm), median (IQR)16 (8–21)
Presurgical CL <10 mm, n (%)35 (28)
Presurgical CL 0 mm, n (%)19 (15)
Presence of sludge in ultrasound, n (%)24 (16)
Cervical elastase positive, n (%)20 (23)
Presence of Lactobacillus, n (%)89 (72)
Presence of ureaplasma, n (%)42 (34)
Presurgical C-reactive protein (mg/dL), median (IQR)0.21 (0.10–0.37)

Procedure of cerclage
McDonald123 (100)
Replacement of prolapsed membranes at surgery, n (%)22 (18)

ART, assisted reproductive technology; CL, cervical length; IQR, interquartile range; SPTB, spontaneous preterm birth. Not examined in 37 patients, not examined in 2 patients, not examined in 28 patients.