Trophoblastic Infiltration in Tubal Pregnancy Evaluated by Immunohistochemistry and Correlation with Variation of Beta-Human Chorionic Gonadotropin

Table 1

Mean variation of serum β-hCG in 48 hours prior to treatment of ectopic pregnancy according to the degree of cell proliferation measured by Ki-67. Values are expressed as mean percentage change (%) with standard deviations (SD), minimum, and maximum values.

Ki-67	𝑁 (𝑛=18)	Mean variation of 𝛽-hCG at 48 h (%) ± SD (min–max)
I	8	−13.46±22.59 (−56.86–8.42)
II	7	+45.99±58.34 (−12.68–118.88)
III	3	+36.68±10.27 (27.35–47.70)

𝑃=0.03.