ALB and nephrolithiasis: Regarding laboratory and clinical parameters, kidney stone participants had significantly higher BMI [29.30 (25.50–33.60) vs 27.62 (24.03–32.20)], neutrophil counts, and NLR [2.05 (1.58–2.80) vs 2.00 (1.52–2.65)], and significantly lower serum albumin [4.20 (4.00–4.40) vs 4.30 (4.10–4.50)], lymphocyte counts, and ALI [61.00 (44.94–79.45) vs 60.88 (44.43–81.11)] (all P ≤ 0.001).