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. Author manuscript; available in PMC: 2013 Nov 1.
Published in final edited form as: Am J Obstet Gynecol. 2012 Aug 6;207(5):396.e1–396.e8. doi: 10.1016/j.ajog.2012.08.001

Table 3.

Relationship between 17-OHPC and selected inflammatory and hormonal biomarkers

Correlation Coefficient ρ* P value

17OHPC vs:
- progesterone at epoch 1 0.46 <0.001
- progesterone at epoch 2 0.46 <0.001
- progesterone change rate at epoch 2 0.29 0.01
- 17-hydroxyprogesterone at epoch 1 0.22 0.03
- 17-hydroxyprogesterone at epoch 2 0.29 0.01
- 17-hydroxyprogesterone change rate at epoch 2 0.25 0.04
- CRP at epoch 1 −0.12 0.25
- CRP at epoch 2 −0.11 0.36
- CRP change rate at epoch 2 −0.01 0.95
- CRH at epoch 1 0.07 0.52
- CRH at epoch 2 0.31 0.02
- CRH change rate at epoch 2 0.34 0.01

Change rate was estimated as value at epoch 2 – value at epoch 1 divided by weeks elapsed*

Spearman’s rank correlation coefficient