ALB and diabetes mellitus: Similarly, as shown in Table 1, no significant differences were found between age ≥ 80 and < 80 years, BMI ≥ 30 and < 30 kg/m2, antibiotic use within 3 years or not, corticosteroid use or not, serum albumin < 3.5 and ≥ 3.5 g/dL, GFR < 50 and ≥ 50 mL/min, presence or not of brain, thyroid, cardiac, or pulmonary disease, diabetes or asthma, smoking habit, or whether revision surgery was performed.