Table 2.

Statistical Models Evaluating the Association between Heart Failure and Insulin Resistance Considering the Potential Confounders.

Insulin resistance	Model 1			Model 2			Model 3
	OR	95% CI	p-value	OR	95% CI	p-value	OR	95% CI	p-value
CCM (Yes/No)	0.68	0.11–4.31	0.683	4.08	1.55–10.74	0.004	0.38	0.02–6.81	0.516
Sex (Men vs Women)	0.49	0.24–1.01	0.054	0.56	0.26–1.21	0.142	0.11	0.01–1.57	0.103
Age, years (>60 vs ≤60)	0.18	0.07–0.45	0.000	0.19	0.08–0.49	0.001	1	omitted
MAP, mmHg (>100 vs ≤100)	2.93	1.21–7.11	0.017	2.83	1.12–7.11	0.027	4.34	0.04–465.2	0.538
Alcohol consumption (Yes/No)	0.55	0.24–1.22	0.142	0.54	0.23–1.26	0.155	0.19	0.01–4.44	0.306
HWI (Yes/No)	2.02	0.47–8.66	0.345	—	—	—	—	—	—
Group*HWI interaction	5.94	0.78–44.96	0.084	—	—	—	—	—	—
Total Cholesterol, mg/dl (>200 vs ≤200)	1.61	0.81–3.23	0.175	1.70	0.80–3.61	0.165	0.77	0.04–14.2	0.861
CRP mg/dl (>3 vs ≤3)	1.85	0.87–3.94	0.109	1.59	0.71–3.61	0.260	9.79	0.52–183.7	0.127
Physical activity (Low)
Moderate	1.38	0.59–3.19	0.452	1.18	0.48–2.87	0.718	8.99	0.48–167.4	0.141
High	1.06	0.41–2.72	0.909	0.98	0.35–2.73	0.976	0.30	0.01–19.53	0.576

Abbreviations: CCM: Chronic Chagas Cardiomyopathy; MAP: Mean arterial pressure; HWI: Hip Waist Index; CRP: Reactive protein C.

Model 1 = Analysis with HWI interaction.

Model 2 = Including only patients with HWI alteration.

Model 3 = Including only patients without HWI alteration.