A Risk Prediction Index for Amiodarone-Induced Thyrotoxicosis in Adults with Congenital Heart Disease

Table 4

Likelihood ratios according to AIT risk score.

Risk score	𝑃(disease)	𝑃 (no disease)	Likelihood ratio (95% CI)	Combined categories	Likelihood ratio (95% CI)
0	3/21=14.3%	60/146=41.4%	0.34 (0.12–1.01)	Low risk	0.37 (0.15–0.92)
1	1/21= 4.8%	14/146=9.6	0.49 (0.07–3.58)
2	5/21=23.8%	42/146= 28.8	0.83 (0.37–1.85)	Medium risk	1.12 (0.65–1.91)
3	4/21=19.0%	14/146= 9.59	1.98 (0.72–5.47)
4	3/21= 14.3%	8/146=5.5%	2.61 (0.75–9.06)	High risk	3.47 (1.70–7.11)
5	5/21=23.8%	8/146=5.5%	4.35 (1.57–12.04)