Table 2.

Descriptive characteristics of 92,783 patients with hyperthyroidism diagnosed in Denmark in the period 1978–2013, stratified by type of hyperthyroidism.

	Hyperthyroidism N = 92,783
	Graves’ disease N (%)	Struma nodosa toxica N (%)	Other hyperthyroidism N (%)
Total	38,508 (100.0)	34,703 (100.0)	19,572 (100.0)
Age (years)
0–29	4149 (10.8)	922 (2.7)	1481 (7.6)
30–49	11,649 (30.3)	5844 (16.8)	4014 (20.5)
50–69	13,120 (34.1)	14,897 (42.9)	6473 (33.1)
70+	9590 (24.9)	13,040 (37.6)	7604 (38.9)
Sex
Women	31,897 (82.8)	29,166 (84.0)	15,501 (79.2)
Men	6611 (17.2)	5537 (16.0)	4071 (20.8)
Year of diagnosis
1978–1982	3082 (8.0)	4932 (14.2)	1 (<0.1)
1983–1987	2353 (6.1)	4475 (12.9)	0 (0.0)
1988–1992	2601 (6.8)	5022 (14.4)	105 (0.5)
1993–1997	6385 (16.6)	4993 (14.4)	2806 (14.3)
1998–2002	8649 (22.5)	5395 (15.6)	4457 (22.8)
2003–2007	8975 (23.3)	4765 (13.7)	4718 (24.1)
2008–2013	6463 (16.8)	5121 (14.8)	7485 (38.2)
Patient type
Inpatient	17,730 (46.0)	18,240 (52.6)	7872 (40.2)
Half-day patient	1686 (4.4)	1680 (4.8)	489 (2.5)
Outpatient	19,092 (49.6)	14,783 (42.6)	11,211 (57.3)
Comorbidity
Alcoholism	583 (1.5)	318 (0.9)	437 (2.2)
Autoimmune disease	2771 (7.2)	2270 (6.5)	1929 (9.9)
Pancreatitis	214 (0.6)	186 (0.5)	193 (1.0)
COPD	2830 (7.4)	2653 (7.7)	2281 (11.7)
IBD	381 (1.0)	292 (0.8)	262 (1.3)
Colitis ulcerosa	259 (0.7)	183 (0.5)	177 (0.9)
Crohn’s disease	138 (0.4)	102 (0.3)	98 (0.5)
Diabetes	2226 (5.8)	2321 (6.7)	1555 (8.0)
Obesity	1194 (3.1)	965 (2.8)	910 (4.7)
HIV	7 (<0.1)	5 (<0.1)	10 (0.1)
GI bleeding	273 (0.7)	223 (0.6)	268 (1.4)
Charlson Comorbidity Index score
Low (0)	30,187 (78.4)	26,670 (76.9)	12,995 (66.4)
Medium (1–2)	7210 (18.7)	7061 (20.3)	5392 (27.6)
High (≥3)	1111 (2.9)	972 (2.8)	1185 (6.1)

COPD, chronic obstructive pulmonary disease; GI, gastrointestinal; HIV, human immunodeficiency virus; IBD, inflammatory bowel disease.