Table 2.

Mean levels of interleukin-6, tumor necrosis factor-α, and keratometry in the study groups

Main variables	Mean±SD		P
	Control	KC
IL-6	26.77±8.16	103.22±51.94	<0.001
TNF-α	34.58±9.82	183.76±54.41	<0.001
Keratometry	45.3±2.20	52.31±5.66	<0.001

KC=Keratoconus; IL=Interleukin; TNF=Tumor necrosis factor; SD=Standard deviation