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Table 2 Spearman's rank correlations (2-sided significance) for fixed factors and endpoints. *p < 0.05.

From: Toxic effects of brake wear particles on epithelial lung cells in vitro

 

IL-8

Occludin

ROS

Iron

0.217

-0.678*

0.476

Copper

0.259

-0.615*

0.392

Manganese

0.224

-0.636*

0.434

TC

0.608*

0.014

0.028

OC

0.594*

0.049

0.000

EC

0.342

-0.577

0.523

Number

0.364

-0.301

0.196

Mass

0.231

-0.469

0.490

Surface

0.217

-0.385

0.385