Prognosis and Prognostic Factors of Patients with Emergent Cerclage: A Japanese Single-Center Study
Table 1
Patients’ backgrounds.
Characteristic
n = 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 SPTB
30 (24)
In the 2nd trimester
13 (11)
In the 3rd trimester
17 (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
McDonald
123 (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.