Table 2 Comparison of biochemical parameters and biomarkers of kidney injury in the study subjects.

From: Urinary KIM-1: a novel biomarker for evaluation of occupational exposure to lead

 

Control group (n = 92)

Group A (n = 40)

Group B (n = 33)

Group C (n = 19)

Blood lead (μg/L)

33 [29, 38.75]

122.5 [95.25, 158.50]*

135 [93, 164.5]*

111 [76, 142]*

Urinary KIM-1/Cr (ng/g)

13.85 [9.20, 20.84]

27.25 [18.84, 40.24]*

36.16 [19.45, 54.79]*

28.34 [20.40, 50.70]*

Urinary NAG/Cr (U/g)

13.10 ± 5.98

20.51 ± 6.72*

18.42 ± 6.74*

19.99 ± 11.95*

Urinary α1-MG/Cr (mg/g)

4.35 [3.07, 7.09]

5.28 [3.82, 8.36]

6.87 [4.19, 8.88]*

7.85 [3.99, 9.26]*

Urinary β2-MG/Cr (mg/g)

0.13 [0.10, 0.21]

0.20 [0.15, 0.27]*

0.19 [0.12, 0.34]*

0.19 [0.13, 0.32]*

  1. Note: Normally distributed data were presented as mean ± SD. Non-normally distributed data were presented using median (25th, 75th percentile). *p < 0.05 compared with control group.
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