Studying Pregnancy Outcome Risk in Patients with Systemic Lupus Erythematosus Based on Cluster Analysis

Table 2

Adopted variables of the patients.

Index	Category
Categorical nonbase items
L	Lower than standard
N	Normal value
H	High value
CS	Cesarean section
FD	Abortion or fetal death
ND	Natural delivery
Categorical base items
	Gestational hypertension
	Oligohydramnios
	Preeclampsia
	Lupus nephritis
	Thrombocytopenia
	Antiphospholipid syndrome
	Uterus scar
	Prelabor rupture of membrane (PROM)
	Placenta abruption
	Encephalopathy
	Anemia
	Pneumonia
	Femoral head necrosis
	Hypothyroidism
	No manifestations
Numerical attributes
	Disease duration (years)
	Mother’s age (years)
	Urinary protein (mg/dl)
	Gestational age (days)
	Newborn’s weight (kg)
	Gravid (G)
	Para (P)
	Abortion (A)
	Live (L)