Table 2.

Levothyroxine prescriptions divided by the percentage of each dose that was prescribed on an annual basis, and subdivided by whether a diagnosis of hypothyroidism was documented or not.

LT4 dose (µg)	Percentage of each LT4 dose prescribed per year
	2008		2009		2010		2011		2012		2013		2014		2015		2016
	No hypo	Hypo	No hypo	Hypo	No hypo	Hypo	No hypo	Hypo	No hypo	Hypo	No hypo	Hypo	No hypo	Hypo	No hypo	Hypo	No hypo	Hypo
25	6.8	5.7	7.3	5.8	7.3	6.2	8.1	7.5	8.1	8.1	9.0	8.4	8.5	8.5	8.5	8.5	8.2	8.4
50	15.6	14.2	15.1	14.1	15.0	14.9	15.4	15.7	16.0	16.8	16.7	16.9	15.7	16.8	15.6	17.1	15.5	16.9
75	14.8	14.5	14.0	13.4	14.6	13.8	15.0	13.8	14.7	14.5	15.2	14.5	15.9	14.8	15.4	15.1	15.7	15.4
88	7.7	6.3	7.2	7.3	8.2	7.2	8.2	7.8	9.2	8.0	9.1	8.3	9.1	8.5	9.4	8.4	9.7	9.0
100	16.2	15.6	15.8	15.5	15.3	14.1	16.2	13.6	14.9	13.7	14.7	13.8	14.9	14.1	14.7	14.1	15.1	14.0
112	8.3	7.8	8.7	8.3	8.8	8.4	9.0	8.3	8.1	7.9	8.2	8.1	8.7	7.9	8.8	7.7	9.0	8.3
125	10.1	11.2	11.0	10.8	11.1	10.3	9.1	10.3	10.0	9.9	9.3	9.6	9.4	9.4	9.1	9.3	9.0	9.0
137	3.6	5.0	4.3	5.5	4.4	5.4	4.4	5.1	4.7	4.7	4.2	4.5	4.2	4.7	4.8	4.8	4.7	4.6
150	8.7	9.0	8.1	8.9	7.2	9.1	7.3	8.1	7.0	7.5	6.7	7.1	6.8	6.8	6.4	7.0	6.4	6.7
175	4.1	5.5	4.1	5.1	4.6	5.3	4.1	5.0	4.1	4.5	4.2	4.7	4.0	4.7	4.4	4.3	4.2	4.2
200	3.7	4.8	3.9	4.6	3.2	4.9	2.9	4.3	2.8	3.9	2.6	3.8	2.6	3.6	2.7	3.5	2.5	3.2
300	0.3	0.4	0.3	0.6	0.3	0.5	0.3	0.4	0.3	0.3	0.2	0.3	0.2	0.3	0.2	0.2	0.2	0.3

Gray shading indicates the most frequently prescribed doses.

LT4, levothyroxine