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Table 4 Correlation between PIGF level and hormone concentrations

From: Comparison of the diagnostic values of circulating steroid hormones, VEGF-A, PIGF, and ADAM12 in women with ectopic pregnancy

  E2 P4 T β-hCG
Endometrial cycle phase     
 Mid secretive −0.17 (0.48) 0.10 (0.69) 0.04 (0.87) n.d.
Intrauterine pregnancy     
 Early −0.01 (0.99) 0.48 (0.10) −0.29 (0.34) −0.06 (0.85)
 Post-term delivery 0.25 (0.52) 0.13 (0.73) −0.25 (0.52) −0.23 (0.52)
Ectopic pregnancy     
 Before surgery 1.00 (<0.001) −0.13 (0.57) −0.30 (0.19) −0.04 (0.87)
 After surgery −0.48 (0.03) −0.11 (0.65) −0.44 (0.05) 0.09 (0.71)
  1. The results are shown as the r-valueof the Spearman correlation at p < 0.01 and a 95% confidence interval. The significance (P value) of the correlation is in parentheses and boldface values are statistically significant.
  2. n.d., not determined.