Table 5.

Sub-event of ADs in study group.

	Incidence rate* (95% CI)
Sub-event	Non-IC/BPS	IC/BPS	aHR+ (95% CI)
All ADs	8.3 (7.87–8.75)	13.27 (10.96–16.06)	1.409 (1.152–1.725)
Hashimoto's thyroiditis	0.18 (0.13–0.25)	0.59 (0.24–1.41)	2.767 (1.039–7.368)
Ankylosing spondylitis	0.44 (0.35–0.55)	1.29 (0.72–2.34)	2.429 (1.264–4.67)
Myasthenia gravis	0.1 (0.07–0.16)	0.23 (0.06–0.93)	1.823 (0.407–8.166)
Rheumatoid arthritis	1.76 (1.57–1.97)	2.97 (2.01–4.4)	1.516 (1.001–2.296)
Sjogren's syndrome	1.72 (1.53–1.92)	4.18 (3–5.82)	1.962 (1.37–2.809)
Psoriasis and similar disorders	0.91 (0.78–1.06)	1.41 (0.8–2.49)	1.177 (0.645–2.149)
Polymyalgia rheumatica	0.16 (0.11–0.23)	0.35 (0.11–1.09)	1.828 (0.538–6.208)
Guillain–Barre'syndrome	0.07 (0.04–0.13)	0.12 (0.02–0.83)	1.64 (0.206–13.031)
Crohn's disease	1.28 (1.12–1.46)	1.3 (0.72–2.34)	0.94 (0.51–1.734)
Ulcerative colitis	0.17 (0.12–0.24)	0.23 (0.06–0.93)	1.336 (0.311–5.737)
Vasculitis	0.14 (0.09–0.21)	0.23 (0.06–0.94)	1.681 (0.392–7.211)
Uveitis	0.81 (0.69–0.95)	0.82 (0.39–1.72)	1.002 (0.466–2.154)
Graves' disease	0.69 (0.57–0.82)	0.35 (0.11–1.09)	0.474 (0.150–1.500)
Systemic lupus erythematosus	0.27 (0.2–0.36)	0.12 (0.02–0.83)	0.314 (0.042–2.327)
Dermatomyositis	0.05 (0.03–0.1)	0.12 (0.02–0.83)	2.939 (0.364–23.734)

^*per 10,000 person months.

+ adjusted for demographic variables, length of hospital stay, co-morbidities at baseline.

IC/BPS, interstitial cystitis/bladder pain syndrome; aHR, adjusted hazard ratio; ADs, autoimmune diseases; CI, confidence interval.