Uterine Natural Killer Cell and Human Leukocyte Antigen-G1 and Human Leukocyte Antigen-G5 Expression in Vaginal Discharge of Threatened-Abortion Women: A Case-Control Study

Table 1

Demographic characteristics and clinical parameters of threatened-abortion women and normal pregnant women.

Variable	Normal pregnant women	Threatened-abortion women
	Mean ± SD	Mean ± SD
	Age (year)
Weight (kg)
Gestational age (week)
Hemoglobin (g/dL)^1
Hematocrit (percent)
WBC (K/μL)^2
RBC (mil/μL)^3
Recurrent abortion ()	—	0–2
Familial disorder	Negative	Negative
VDRL	Negative	Negative
HBs Ag	Negative	Negative
Immunosuppressive drugs intake	No	No
Smoking	No	No

gram per deciliter.
²Thousands per cubic milliliter.
³Millions per cubic millimeter.