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©The Author(s) 2024.
World J Nephrol. Dec 25, 2024; 13(4): 98880
Published online Dec 25, 2024. doi: 10.5527/wjn.v13.i4.98880
Published online Dec 25, 2024. doi: 10.5527/wjn.v13.i4.98880
Table 1 Characteristics of the study population, n (%)
Parameter | Control (n = 40) | Normoalbuminuria (n = 40) | Microalbuminuria (n = 40) | Macroalbuminuria (n = 40) | P value |
Mean age in years (SD) | 52.83 (7.65) | 49.63 (8.76) | 51.05 (6.54) | 53.73 (10.71) | 0.144 |
Male | 25 (62.5) | 23 (57.5) | 28 (70) | 26 (65) | 0.704 |
Smoking habit | 4 (10) | 4 (10) | 4 (10) | 5 (12.5) | 0.978 |
Alcohol consumption | 7 (17.5) | 8 (20) | 9 (22.5) | 7 (17.5) | 0.932 |
Mean duration of diabetes mellitus in years (SD) | - | 2.23 (2.41)4,5 | 5.98 (7.08)6 | 8.55 (6.76) | < 0.001 |
Mean body mass index (SD) (kg/m2) | 24.43 (3.4) | 24.8 (3.7) | 24 (4.29) | 23.8 (3.58) | 0.656 |
Mean systolic blood pressure (SD) | 118.8 (10.83)1,2,3 | 124.88 (8.7)5 | 128.78 (10.11) | 132.08 (13.8) | < 0.001 |
Mean diastolic blood pressure (SD) | 78.75 (7.21)2,3 | 81.3 (6.91) | 84.63 (7.52) | 85.18 (10.06) | 0.001 |
Table 2 Blood parameters and urine biomarkers of the study population
Parameter | Control (n = 40) | Normoalbuminuria (n = 40) | Microalbuminuria (n = 40) | Macroalbuminuria (n = 40) | P value |
Urea | 24.75 ± 6.78 | 24.23 ± 6.56 | 22.58 ± 10.196 | 28.63 ± 13.52 | 0.042 |
Creatinine | 0.75 ± 0.431,2,3 | 0.85 ± 0.36 | 0.83 ± 0.45 | 1.18 ± 0.5 | < 0.001 |
Fasting blood sugar | 92.75 ± 8.321,2,3 | 173.88 ± 83.01 | 199.7 ± 56.15 | 202.78 ± 102.01 | < 0.001 |
Postprandial blood sugar | 138.55 ± 15.021,2,3 | 268.85 ± 117.934,5 | 337.48 ± 97.98 | 326.9 ± 118.48 | < 0.001 |
Glycated hemoglobin | 5.03 ± 0.151,2,3 | 8.53 ± 2.07 | 9.5 ± 1.66 | 9.35 ± 2.52 | < 0.001 |
Estimated glomerular filtration rate | 117.08 ± 30.01 | 111.18 ± 27.35 | 110.88 ± 39.96 | 77 ± 27.48 | < 0.001 |
Urine albumin creatinine ratio | 5.35 ± 6.491,2,3 | 11.13 ± 6.634,5 | 150.58 ± 81.46 | 1612.55 ± 2064.23 | < 0.001 |
Neutrophil gelatinase-associated lipocalin (µg/L) | 3.75 ± 2.431,2,3 | 5.28 ± 2.594,5 | 6.85 ± 2.816 | 9.15 ± 2.02 | < 0.001 |
Kidney injury molecule-1 (ng/mL) | 0.7 ± 0.641,2,3 | 1.33 ± 0.574,5 | 1.85 ± 1.166 | 2.45 ± 0.9 | < 0.001 |
Periostin (ng/mL) | 29.25 ± 13.151,2,3 | 41.8 ± 24.174,5 | 53.65 ± 14.576 | 64.6 ± 9.1 | < 0.001 |
Table 3 Correlation of urinary neutrophil gelatinase-associated lipocalin, kidney injury molecule-1and periostin with other parameters
Parameter | ACR | Neutrophil gelatinase-associated lipocalin | Kidney injury molecule-1 | Periostin |
Duration of diabetes mellitus | R = 0.457, P ≤ 0.001b | - | - | - |
Creatinine | R = 0.194, P = 0.014a | R = 0.218, P = 0.006b | R = 0.270, P = 0.001b | R = 0.226, P = 0.004b |
Fasting blood sugar | R = 0.182, P = 0.021a | R = 0.352, P ≤ 0.001b | R = 0.192, P = 0.015a | R = 0.376, P ≤ 0.001b |
Postprandial blood sugar | R = 0.248, P = 0.002b | R = 0.383, P ≤ 0.001b | R = 0.231, P = 0.003b | R = 0.449, P ≤ 0.001b |
Glycated hemoglobin | R = 0.225, P = 0.004b | R = 0.425, P ≤ 0.001b | R = 0.295, P ≤ 0.001b | R = 0.406, P ≤ 0.001b |
ACR | - | R = 0.339, P ≤ 0.001b | R = 0.219, P = 0.005b | R = 0.302, P ≤ 0.001b |
Estimated glomerular filtration rate | R = -0.292, P ≤ 0.001b | R = -0.325, P ≤ 0.001b | R = -0.299, P ≤ 0.001b | R = -0.275, P ≤ 0.001b |
Table 4 Urine biomarkers as per estimated glomerular filtration rate category in patients with diabetes mellitus (n = 120)
Parameter | Stage 1 (n = 76) | Stage 2 (n = 30) | Stage 3 (n = 11) | Stage 4 (n = 3) | P value |
Albumin creatinine ratio | 240.17 ± 633.921,2,3 | 1078.1 ± 2231.04 | 1344.09 ± 1420.74 | 1860 ± 1893.2 | 0.002 |
Neutrophil gelatinase-associated lipocalin (µg/L) | 6.36 ± 2.791,2,3 | 8.27 ± 3.15 | 8.27 ± 1.79 | 9.67 ± 2.3 | 0.003 |
Kidney injury molecule-1 (ng/mL) | 1.67 ± 1.023 | 2.1 ± 0.84 | 2.45 ± 1.12 | 2.67 ± 0.57 | 0.017 |
Periostin (ng/mL) | 51.04 ± 20.012,3 | 52.63 ± 19.11 | 66.82 ± 9.98 | 69.67 ± 4.5 | 0.034 |
Table 5 The performance criteria of the urine markers in prediction of diabetic nephropathy among the study population
Parameter | Area under curve (95%CI) | Sensitivity | Specificity | Cut of value | P value |
Albumin creatinine ratio | 0.924 (0.882-0.963) | 80 | 90 | 12.5 | < 0.001 |
Neutrophil gelatinase-associated lipocalin | 0.795 (0.725-0.866) | 75.8 | 55 | 4.5 | < 0.001 |
Kidney injury molecule-1 | 0.825 (0.757-0.893) | 63.3 | 90 | 1.5 | < 0.001 |
Periostin | 0.833 (0.773-0.894) | 80 | 67.5 | 37.5 | < 0.001 |
- Citation: Varatharajan S, Jain V, Pyati AK, Neeradi C, Reddy KS, Pallavali JR, Pandiyaraj IP, Gaur A. Neutrophil gelatinase-associated lipocalin, kidney injury molecule-1, and periostin: Novel urinary biomarkers in diabetic nephropathy. World J Nephrol 2024; 13(4): 98880
- URL: https://www.wjgnet.com/2220-6124/full/v13/i4/98880.htm
- DOI: https://dx.doi.org/10.5527/wjn.v13.i4.98880