Table 2.

Levels of TNF-α, IL-6 and IL-1β, and apoptosis index of the three groups.

Groups	Sample size	TNF-α (pg/mg)	IL-1β (pg/mg)	IL-6 (ng/mg)	Apoptotic index (%)
Sham	10	40.2±6.24	19.7±2.01	3.9±0.02	1.2±0.1
Untreated TBI	10	100.5±8.79*	34.2±4.23*	10.6±1.63*	29±6.3*
Hyperbaric oxygen-treated TBI	10	72.6±7.23#	26.9±3.01#	6.9±1.15#	15±4.2#

^*P<0.05 compared with the sham group;

^#P<0.05 compared with the untreated TBI group.