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. 2012 Apr 5;7(4):e34328. doi: 10.1371/journal.pone.0034328

Table 7. Detection of IL1RL1 mRNA in gestational age-matched maternal plasma samples.

IL1RL1 mRNA Number of women resulted in SPBa Number of women resulted in term birthb
Positive (≥20 copies/mL maternal plasma) 6 1
Negative (<20 copies/mL maternal plasma) 4 26
Total 10 27
a

Blood sample collected from women at 30.9 weeks (median; IQR, 27.0–32.1 weeks) of gestation, during the presentation of preterm labor (Table 2).

b

Blood sample collected from women at 31.0 weeks (median; IQR, 27.8–32.3 weeks) of gestation (Table 2).

SPB, spontaneous preterm birth.