Table 4.

Number of patients with first initiation of a levothyroxine prescription, divided according to age deciles, with patients divided according to whether they carried a diagnosis of hypothyroidism or not.

Patient group	Age decile	Number of patients with prescription initiation per year
		Year (mean age of population)
		2008 (49)	2009 (49)	2010 (49)	2011 (49)	2012 (50)	2013 (50)	2014 (50)	2015 (50)	2016 (51)
(a) All patients	18–29	340	344	248	364	422	383	439	407	325
	30–39	584	512	398	579	627	552	612	589	464
	40–49	746	612	526	865	806	743	686	612	520
	50–59	973	816	680	1130	1134	1083	1010	869	635
	60–69	823	679	524	999	996	896	876	825	633
	70–79	505	367	287	530	646	635	518	446	386
	80+	405	309	242	444	468	675	493	330	274
(b) Patients with hypothyroidism	18–29	164	165	155	204	269	250	311	294	255
	30–39	235	239	233	327	394	363	441	443	358
	40–49	297	301	302	459	481	476	470	436	406
	50–59	364	349	346	549	649	684	667	593	484
	60–69	270	304	257	472	533	524	564	547	464
	70–79	149	158	149	245	371	349	292	275	280
	80+	112	129	119	197	227	280	238	179	192
(c) Patients without hypothyroidism	18–29	176	179	93	160	153	133	128	113	70
	30–39	349	273	165	252	233	189	171	146	106
	40–49	449	311	224	406	325	267	216	176	114
	50–59	609	467	334	581	485	399	343	276	151
	60–69	553	375	267	527	463	372	312	278	169
	70–79	356	209	138	285	275	286	226	171	106
	80+	293	180	123	247	241	395	255	151	82