ALB and obesity due to melanocortin 4 receptor deficiency: For example, obesity‐associated low‐grade inflammation may reduce serum albumin levels, a parameter that partially mediates CONUT scores, while dyslipidaemia which is also closely linked with obesity (with elevated triglycerides, total cholesterol and low‐density lipoprotein (LDL) levels) may lower CONUT scores in our HF and diabetes groups.