Table 7.

Mean and median TSH value for patients prior to new LT4 prescription initiation.

TSH values prior to new LT4 prescription initiation
Year	Values n	Mean	SD	Median	25th pctl	75th pctl
2008	1159	11.04	29.40	3.64	1.62	7.28
2009	1209	10.68	26.78	4.57	1.87	7.35
2010	1156	13.78	41.95	5.08	2.23	8.04
2011	2007	7.51	16.07	4.26	1.99	6.39
2012	2096	8.39	18.42	4.54	1.98	6.77
2013	2163	7.82	16.25	4.69	2.22	6.93
2014	2035	10.09	24.18	4.90	2.17	7.64
2015	1824	10.63	25.57	4.77	1.99	7.81
2016	1510	10.72	25.89	4.78	2.17	7.50

LT4, levothyroxine; pctl, percentile; TSH, thyroid stimulating hormone