Table 2.

Association between prolonged QTc and severe PAD, severe DFUs in patients with DFUs.

	Unadjusted OR	95% CI	Adjusted OR	95% CI
Severe PAD
No-prolonged QTc (Ref)	1.00		1.00
Prolonged QTc	1.98	1.11–3.52	2.61a	1.07–6.35
Severe DFUs
No-prolonged QTc (Ref)	1.00		1.00
Prolonged QTc	2.48	1.38–4.45	2.87b	1.42–5.81

^aThe multivariable mixed-effects logistic regression was adjusted for risk factors including age, sex, hypertension, smoking, alcohol use, diabetes duration, eGFR, LDL, HbA1c as fixed effect and hospital as random effect. ^bThe multivariable mixed-effects logistic regression was adjusted for risk factors including age, sex, smoking, alcohol use, diabetes duration, diabetic foot duration, eGFR, LDL, HbA1c as fixed effect and hospital as random effect.

Ref, reference.