Tetrahydrocurcumin enhances BBB scores and inhibits water content of spinal cord in SCI rats. (A) BBB scores and (B) water content of the spinal cord. **P<0.01 compared with sham control group, ##P<0.01 compared with SCI model group. Groups: Sham, sham control group; SCI, SCI model group; Tet, tetrahydrocurcumin treatment group; SCI, spinal cord injury; BBB, Basso-Beattie-Bresnahan.