Table 2 Trends of PFAS concentrations, reported as median and interquartile range (IQR), and trends in GFR, reported as mean and standard deviations (SD).

From: Longitudinal and cross-sectional analysis of perfluoroalkyl substances and kidney function

Variables

Age 70 N = 997

Age 75 N = 814

Age 80 N = 601

PFAS concentration

Median (IQR)

Median (IQR)

Median (IQR)

PFHpA, ng/ml

0.05 (0.03, 0.09)

0.07 (0.04, 0.11)

0.03 (0.01, 0.06)

PFOA, ng/ml

3.32 (2.54, 4.40)

3.8 (2.71, 5.41)

2.53 (1.82, 3.61)

PFNA, ng/ml

0.71 (0.53, 0.97)

1.07 (0.74, 1.59)

0.87 (0.62, 1.28)

PFDA, ng/ml

0.31 (0.24, 0.04)

0.43 (0.31, 0.62)

0.33 (0.24, 0.47)

PFUnDA, ng/ml

0.28 (0.22, 0.37)

0.44 (0.33, 0.63)

0.36 (0.26, 0.53)

PFHxS, ng/ml

2.09 (1.61, 3.46)

3.24 (2.05, 6.26)

2.87 (1.8, 10.46)

L-PFOS, ng/ml

13.31 (10.09, 17.89)

12.52 (7.96, 19.19)

7.57 (5.34, 11.48)

PFOSA, ng/ml

0.11 (0.08, 0.17)

0.07 (0.04, 0.13)

0.01 (0.02, 0.05)

Kidney function

Mean (+/−SD)

Mean (+/−SD)

Mean (+/−SD)

GFR, ml/min/1.73 m2

86.33 (13.67)

70.82 (13.67)

62.16 (14.67)