Table 2.

Correlation between microscopical lung lesions, macrophage count and expression of proinflammatory cytokines

	Microscopical lesion	Macrophages	IL-1α	IL-6	TNF-α	IL-1α + IL-6 +TNF-α
Microscopical lesion	–	0.85*	0.85*	0.80*	0.54	0.87*
Macrophages		–	1.00*	0.69	0.74*	0.98*
IL-1α			–	0.69	0.74*	0.98*
IL-6				–	0.62	0.79*
TNF-α					–	0.76*
IL-1α + IL-6 + TNF-α						–

*P < 0.05.