Changes in Serum TSH and T4 Levels after Switching the Levothyroxine Administration Time from before Breakfast to before Dinner

Table 1

Demographic characteristics of the patients ().

Characteristic	Value
Female/male ratio	44/6
Mean age (years)	37 ± 13.2
Age groups
18–30 years	18 (36%)
30–40 years	15 (30%)
>40 years	17 (34%)
Body mass index
19–25	18 (36%)
25–30	18 (36%)
>30	14 (28%)
Familial history of hypothyroidism
Yes	10 (20%)
No	40 (80%)
Etiology of hypothyroidism
Autoimmune disease	41 (82%)
Thyroidectomy	5 (10%)
Radiation therapy	4 (8%)
Concurrent disease
None	39 (78%)
Iron deficiency anemia	5 (10%)
Hyperlipidemia	2 (4%)
Hypertension and hyperlipidemia	4 (8%)