Table 2.
Comparison of clinical characteristics among patients with singleton pregnancies between GA at delivery <28 weeks and ≥28 weeks.
| GA at delivery <28 weeks | GA at delivery ≥28 weeks | p | |
|---|---|---|---|
| (n = 10) | (n = 12) | ||
| Age (years) | 34.0 ± 2.5 | 32.8 ± 3.6 | 0.124 |
| In vitro fertilization (%) | 2/10 (20) | 1/12 (8.3) | 0.571 |
| Gravida | 3.7 ± 1.1 | 2.9 ± 1.0 | 0.089 |
| Indication of prior cerclage | – | – | |
| History (%) | 6/10 (60) | 7/12 (58.3) | 1.000 |
| Ultrasound/Physical examination (%) | 4/10 (40) | 5/12 (41.7) | 1.000 |
| Type of suture at prior cerclage | – | – | |
| 5-mm Mersilene® tape (RS 22) (%) | 2/10 (20) | 4/12 (33.3) | 0.646 |
| 10# non-absorbable surgical suture (%) | 8/10 (80) | 8/12 (66.7) | 0.646 |
| GA at prior cerclage (weeks) | 15.9 ± 1.9 | 16.4 ± 3.0 | 0.622 |
| GA at RC (weeks) | 22.1 ± 3.1 | 25.1 ± 2.1 | 0.015 |
| Cervical dilation (cm) | 2.5 ± 0.9 | 2.1 ± 1.1 | 0.341 |
| Cervical length (cm) | 0.7 ± 1.0 | 1.2 ± 1.0 | 0.247 |
| Ureaplasma urealyticum infection (%) | 3/10 (30) | 3/12 (25) | 1.000 |
| Gestational diabetes mellitus (%) | 4/10 (40) | 4/12 (33.3) | 1.000 |
| NLR before RC | 5.4 ± 2.5 | 5.5 ± 3.2 | 0.953 |
Values are presented as n, mean ± standard deviation, or n/N (%).
GA, gestational age; RC, repeat cerclage; NLR, neutrophil-to-lymphocyte ratio.