Table 2.

Events and Person Years for the Thyroid and Control Populations in Each of the Five Work Transitions

	Sickness Absence		Return to Work From (SA)		Unemployment		Return to Work From U		Disability Pension
	Events	PY	Events	PY	Events	PY	Events	PY	Events	PY
Nontoxic goiter
<1 y	27	161	31	10	56	161	55	28	6	198
>1 y	142	1320	138	63	488	1320	500	212	14	1595
Hyperthyroidism
<1 y	33	138	40	20	32	138	38	28	7	186
>1 y	142	1255	130	76	376	1255	381	210	15	1540
Graves' orbitopathy
<1 y	26	38	23	10	4	38	4	7	0	55
>1 y	68	320	62	45	63	320	63	72	20	437
Autoimmune hypothyroidism
<1 y	17	107	22	13	29	107	30	17	2	138
>1 y	100	638	91	52	171	638	165	96	12	786
Other thyroid disease
<1 y	9	40	11	4	19	40	17	14	0	57
>1 y	51	278	48	21	82	278	83	96	5	395
Entire thyroid population
<1 y	112	485	127	57	140	485	144	94	15	634
>1 y	503	3810	469	256	1180	3810	1192	685	76	4753
Control population
<1 y	525	4506	458	184	1113	4506	1187	650	39	5340
>1 y	3505	35089	3194	1399	7664	35089	7826	4545	369	41033

Abbreviation: PY, person years; SA, sickness absence; U, unemployment.