Table 3.

Incidence Rate Ratio and Hazard Rate of the Risk of subgroup ADs between IBT and non-IBT group.

	Event	Person Year	IncidenceRate†	IRR		aHR
Addison’s disease
IBT Group	0	73009.17	0.00	N.A		N.A
Non-IBT Group	1	474449.96	0.21	Ref.		Ref.
Autoimmune hemolytic anemia
IBT Group	6	72991.22	8.22	1.30 (0.54-3.12)		1.19 (0.47-2.96)
Non-IBT Group	30	474390.59	6.32	Ref.		Ref.
DM Type I
IBT Group	19	72948.69	26.05	1.10 (0.68-1.79)		0.83 (0.50-1.37)
Non-IBT Group	112	474196.08	23.62	Ref.		Ref.
Graves’ disease
IBT Group	4	72999.83	5.48	8.67 (1.94-38.7)**		6.06 (1.27-28.8)*
Non-IBT Group	3	474441.99	0.63	Ref.		Ref.
Hashimoto’s thyroiditis
IBT Group	34	72900.38	46.64	1.71 (1.17-2.50)**		1.49 (1.01-2.21)*
Non-IBT Group	129	474111.38	27.21	Ref.		Ref.
Henoch-Schonlein purpura
IBT Group	4	73001.99	5.48	0.70 (0.25-1.97)		0.59 (0.20-1.67)
Non-IBT Group	37	474381.40	7.80	Ref.		Ref.
Immune thrombocytopenic purpura
IBT Group	0	73009.17	0.00	N.A		N.A
Non-IBT Group	0	474450.33	0.00	Ref.		Ref.
Lupoid hepatitis
IBT Group	0	73009.17	0.00	N.A		N.A
Non-IBT Group	0	474450.33	0.00	Ref.		Ref.
Myasthenia gravis
IBT Group	0	73009.17	0.00	N.A		N.A
Non-IBT Group	17	474413.93	3.58	Ref.		Ref.
Inflammatory bowel disease
IBT Group	1	73003.04	1.37	1.08 (0.13-8.99)		1.53 (0.17-13.7)
Non-IBT Group	6	474439.44	1.26	Ref.		Ref.
Ankylosing Spondylitis
IBT Group	54	72886.06	74.09	0.98 (0.74-1.31)		0.84 (0.63-1.13)
Non-IBT Group	357	473684.09	75.37	Ref.		Ref.
Psoriasis
IBT Group	0	73009.17	0.00	N.A		N.A
Non-IBT Group	5	474435.43	1.05	Ref.		Ref.

IR, incidence rate was incidences of per 100,000 person-years. HR, hazard ratio; aHR, adjusted hazard ratio; CI, confidence interval.

**P <0.01.

NA, not available.