Fig. 6.

a IL-1 levels at articular wash fluid measured by ELISA. b IL-6 levels at articular wash fluid measured by ELISA. c PGE₂ levels at articular wash fluid measured by ELISA (*p < 0.05) (**p < 0.01) (***p < 0.001) (n = 6 animals per group). Arthritis group (AT); arthritis group treated with diclofenac (Diclof); arthritis group treated with 1 J LLLT (AT + 1 J); arthritis group treated with 3 J LLLT (AT + 3 J); arthritis group treated with 6 J LLLT (AT + 6 J); arthritis group treated with 10 J LLLT (AT + 10 J). Results are expressed as mean ± SEM