TABLE 3. Differences in lesion length for 5 new factors^*.

Variable	No. of Cases	Mean Lesion Length (mm)	p Value
steroids
yes	34	57.6 ± 17.1	0.20
no	8	65.9 ± 9.3
motor outcome
improved	18	58.4 ± 13.7	0.89
same	10	60.5 ± 20.8
worsened	8	61.2 ± 12.2
ASIA grade
A	35	60.6 ± 16.2	0.21
B, C, or D	7	52.2 ± 14.5
time to decompression
≤12 hrs	13	46.7 ± 15.0	<0.001
>12 hrs	29	64.8 ± 13.3

^*Mean values are presented ± SD.