Table 1.

Neurologic function scores and definitions

Score	Definition
0	No neurologic symptoms; fully active at home/work without assistance
1	Minor neurologic symptoms; fully active at home/work without assistance
2	Moderate neurologic symptoms; fully active at home/work but requires assistance
3	Moderate neurologic symptoms; less than fully active at home/work and requires assistance
4	Severe neurologic symptoms; totally inactive requiring complete assistance at home or in an institution; unable to work