Short-Term Adverse Pregnancy Outcomes in Women with Subclinical Hypothyroidism: A Comparative Approach of Iranian and American Guidelines

Table 1

Comparison of the frequency distribution of baseline qualitative characteristics between the intervention and control groups.

Variable		Intervention group (number (%))	Control group (number (%))	p value
Location	City	37 (52.1)	34 (47.9)	0.665
	Village	4 (44.4)	5(55.6)
History of a dead fetus	Yes	0 (0.0)	2 (100)	0.23
	No	41 (52.6)	37 (47.4)
Type of pregnancy	Normal	28 (44.4)	35 (55.6)	0.023
	IVF	6 (100)	0 (0.0)
	Other cases (with medication)	7 (63.6)	4 (36.4)
History of previous miscarriages	Yes	13 (65.0)	7 (35.0)	0.155
	No	28 (46.7)	32 (53.3)
Pregnancy	First	17 (56.7)	13 (43.3)	0.738
	Second	15 (46.9)	17 (53.1)
	Third and more	9 (50.0)	9 (50.0)
Number of deliveries	None	25 (58.1)	18 (41.9)	0.146
	One	15 (53.6)	13 (46.4)
	Two and more	1 (11.1)	8 (88.9)
Number of previous abortions	None	30 (50.0)	30 (50.0)	0.597
	One	6 (45.2)	7 (53.8)
	Two and more	5 (71.4)	2 (28.6)
Number of live births	None	25 (58.1)	18 (41.9)	0.146
	One	15 (53.6)	13 (46.4)
	Two and more	1 (11.1)	8 (88.9)
History of gestational diabetes	Yes	2 (28.6)	5 (71.4)	0.209
	No	39 (53.4)	34 (46.6)
Hypothyroidism in previous pregnancies	Yes	8 (80.0)	2 (20.0)	0.052
	No	33 (47.1)	37 (52.9)