Table III.

Results of linear regression^a analysis of renal toxicity markers by current and cumulative trichloroethylene exposure

	Ln(Current TCE exposure levels)(ppm)			Ln(Cumulative TCE exposure levels)(ppm. years)
Parameter	Estimate	95% CI	P-value	Estimate	95% CI	P-value
Urinary markers
Ln(VEGF) [ng l−1]b	−0.01	−0.04 to 0.01	0.34	−0.02	−0.05 to 0.009	0.19
Ln(AlphaGST) [µg l−1]	−0.003	−0.04 to 0.03	0.87	−0.0005	−0.04 to 0.04	0.71
Ln(PiGST) [µg l−1]	−0.03	−0.00 to 0.05	0.06	−0.03	−0.00 to 0.06	0.05
Ln(KIM-1) [ng l−1]	−0.05	−0.03 to 0.08	0.0001	−0.06	−0.03 to 0.08	0.0001
Ln(NAG) [units l−1]	−0.006	−0.05 to 0.04	0.81	−0.01	−0.06 to 0.04	0.68

^a Adjusted for ln(creatinine), sex, current alcohol use, and BMI.

^b Samples of one control and three exposed subjects were not analysed for VEGF.