Skip to main content
. 2008 Jul 10;8(7):4095–4109. doi: 10.3390/s8074095

Table 2.

Liver/ muscle index in three indicator fish species, predators and non-predators, from heavily (HC) and lightly contaminated (LC) localities (effect of age subtracted).

Fish species Locality contamination N Mean Median Minimum Maximum Std.Dev. Mann-Whitney U test
PERCH HC 71 0.202 0.139 -0.791 1.514 0.549 U = 268
LC 32 -0.448 -0.554 -0.892 2.170 0.535 P < 0.001

CHUB HC 82 0.148 0.068 -0.553 2.537 0.488 U = 230
LC 29 -0.420 -0.487 -0.783 0.835 0.320 P < 0.001

ROACH HC 90 0.242 -0.105 -0.738 5.669 1.075 U = 187
LC 32 -0.680 -0.721 -1.002 -0.005 0.197 P < 0.001

PREDATOR HC 160 0.154 0.055 -1.592 3.190 0.687 U = 1192
LC 48 -0.512 -0.506 -1.658 2.170 0.542 P < 0.001

NO PREDATOR HC 313 0.217 0.028 -0.963 5.669 0.812 U = 3931
LC 115 -0.590 -0.581 -1.959 1.189 0.409 P < 0.001