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Table 2 Level of organochlorine pesticides in study subjects

From: Organochlorine pesticide level in patients with chronic kidney disease of unknown etiology and its association with renal function

OCPs (ppb) Group I healthy controls (n = 100) Group II CKDk patients (n = 100) Group III CKDu patients (n = 100) Kruskal-Wallis test Significance
  Median (25th–75th percentile) Median (25th–75th percentile) Median (25th–75th percentile)   (Bonferroni adjusted p value)
α-HCH 0.7 (0.002–1.66) 1.26 (0.34–3.15) 1.68 (0.12–4.26) 0.004* I vs II = 0.02
I vs III = 0.01
II vs III = 0.06
β-HCH 1.7 (0.002–3.96) 2.49 (0.84–4.65) 2.15 (0.64–5.16) 0.561 I vs II = 0.265
I vs III = 0.341
II vs III = 0.685
γ-HCH 2.6 (0.002–3.21) 2.15 (0.64–4.23) 2.03 (0.002–2.49) 0.236 I vs II = 0.369
I vs III = 0.215
II vs III = 0.347
Aldrin 1.6 (0.002–2.15) 1.96 (0.002–3.12) 2.15 (0.002–3.18) 0.045* I vs II = 0.064
I vs III = 0.045
II vs III = 0.896
Dieldrin 2.5 (0.002–3.25) 0.89 (0.002–2.01) 1.95 (0.26–4.36) 0.412 I vs II = 0.452
I vs III = 0.426
II vs III = 0.439
α-endosulfan 0.7 (0.002–1.12) 0.49 (0.002–1.32) 2.18 (0.28–4.59) 0.321 I vs II = 0.365
I vs III = 0.254
II vs III = 0.615
β-endosulfan 1.3 (0.002–2.65) 0.84 (0.002–1.54) 2.38 (0.65–4.28) 0.001* I vs II = 0.055
I vs III = 0.042
II vs III = 0.012
p, p′-DDT 1.2 (0.002–2.15) 0.23 (0.002–0.23) 2.36 (0.95–4.66) 0.061 I vs II = 0.321
I vs III = 0.354
II vs III = 0.316
p, p′-DDE 2.6 (0.002–3.54) 1.54 (0.29–2.64) 2.94 (0.68–4.58) 0.03* I vs II = 0.01
I vs III = 0.04
II vs III = 0.03
  1. Kruskal-Wallis test was applied to compare the OCP data in different groups
  2. *Significance level p < 0.05