. Author manuscript; available in PMC: 2018 Apr 1.

Published in final edited form as: Environ Toxicol Chem. 2016 Sep 26;36(4):917–925. doi: 10.1002/etc.3600

Table 3.

Correlation coefficients between concentrations of various perfluoroalkyl acids in plasma of American alligators (Alligator mississippiensis) sampled in Florida and South Carolina (n_male = 65, n_female = 60)^a

	PFOA	PFNA	PFDA	PFUnA	PFDoA	PFTriA	PFTA	PFHxS	PFOS
Male
PFOA	—	0.615^b ^**	0.226	0.092	0.036	0.152	0.181	0.260	0.386^b ^**
PFNA		—	0.550^b ^**	0.322^b ^*	0.144	0.313^b ^*	0.273^b ^**	0.339^b ^**	0.541^b ^**
PFDA			—	0.840^b ^**	0.743^b ^**	0.439^b ^**	0.654^b ^**	0.307^b ^*	0.550^b ^**
PFUnA				—	0.920^b ^**	0.783^b ^**	0.826^b ^**	0.445^b ^**	0.654^b ^**
PFDoA					—	0.751^b ^**	0.846^b ^**	0.316^b ^*	0.528^b ^**
PFTriA						—	0.770^b ^**	0.395^b ^**	0.489^b ^**
PFTA							—	0.238	0.399^b ^**
PFHxS								—	0.827^b ^**
PFOS									—
Female
PFOA	—	0.648^b ^**	0.332^b ^*	0.186	0.098	0.064	−0.003	0.441^b ^**	0.440^b ^**
PFNA		—	0.585^b ^**	0.444^b ^**	0.365^b ^**	0.339^b ^**	0.196	0.387^b ^**	0.538^b ^**
PFDA			—	0.890^b ^**	0.827^b ^**	0.529^b ^**	0.560^b ^**	0.337^b ^**	0.595^b ^**
PFUnA				—	0.938^b ^**	0.684^b ^**	0.578^b ^**	0.331^b ^*	0.691^b ^**
PFDoA					—	0.763^b ^**	0.708^b ^**	0.226	0.635^b ^**
PFTriA						—	0.713^b ^**	0.190	0.598^b ^**
PFTA							—	0.130	0.454^b ^**
PFHxS								—	0.654^b ^**
PFOS									—

Values were calculated using log normal concentrations. All significant correlations resulted in positive correlation coefficients.

Indicates significant correlation coefficients.

Correlation is significant at the 0.05 level (2-tailed).

^**

Correlation is significant at the 0.01 level (2-tailed).

PFOA = perfluorooctanoic acid; PFNA = perfluorononanoic acid; PFDA = perfluorodecanoic acid; PFUnA = perfluoroundecanoic acid; PFDoA = perfluorododecanoic acid; PFTriA = perfluorotridecanoic acid; PFTA = perfluorotetradecanoic acid; PFHxS = perfluorohexanesulfonic acid; PFOS = perfluorooctane sulfonate.