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Table 4 Preterm and term labor

From: Matrix metalloproteinases in the cervical mucus plug in relation to gestational age, plug compartment, and preterm labor

Group n MMP-2
ng/mg CMP
TIMP-1
ng/mg CMP
MMP-8
ng/mg CMP
MMP-9
ng/mg CMP
IL-8
pg/mg CMP
Molar ratio
TIMP/MMP
Preterm labor 4 1.4 (0.40-4.7) 3.3 (0.90-13) 4.7 (0.29-77) 7.6 (0.90-65) 221 (34-1442) 0.58 (0.040-8.8)
Term labor 15 0.48 (0.16-1.4) 1.4 (0.57-3.5) 1.9 (1.2-2.9) 1.7 (0.88-3.4) 78 (55-110) 0.72 (0.26-2.0)
Student's t test
P-value
  0.3 0.3 0.1 0.05 0.03 0.8
  1. Comparison of concentrations and molar TIMP/MMP ratios in the preterm and term whole CMPs. Protein concentrations are given as geometric mean (95% CI).