Table 4 Comparison of risk of spontaneous preterm delivery within 7 and 14 days after tests and before 34 and 37 weeks of gestation according to fFN and CL results
Within 7 days | Within 14 days | < 34 weeks | < 37 weeks | |
|---|---|---|---|---|
Group 1 (n = 34) fFN/CL (−/−) | ||||
Group 2 (n = 8) fFN/CL (+/−) | 2.1 (0.5–8.6) | 1.6 (0.4–6.1) | 3.8 (1.0–14.7) | 3.8 (1.1–13.1) |
P value | 0.30 | 0.50 | 0.06 | 0.04 |
Group 3 (n = 20) fFN/CL (−/+) | 3.7 (0.4–36.0) | 1.6 (1.0–20.0) | 1.7 (0.3–8.4) | 1.7 (0.3–8.4) |
P value | 0.25 | 0.59 | 0.54 | 0.51 |
Group 4 (n = 23) fFN/CL (+/+) | 4.5 (1.0–20.0) | 4.5 (1.0–20.0) | 8.1 (1.9–34.5) | 2.8 (0.9–8.6) |
P value | 0.05 | 0.05 | 0.01 | 0.08 |