Table 1 Participant demographics

Age (years)

Mean (SD)

56 (18)

58 (16)

Gender

 Male (%)

64

55

 Female (%)

36

45

Weight (lbs)

Mean (SD)

264 (71.6)^a

165 (37.0)^a

BMI

Mean (SD)

37.4 (8.0)^a

27.0 (8.6)^a

Level of injury

 Cervical (%)

18

64

 Thoracic (%)

45^a

0^a

 Lumbar (%)

36

36

Etiology

 Degenerative spine disorders

7

7

 Epidural abscess

3

1

 Other (Osteomyelitis, Hemorrhage, Inflammation, Tumor)

1

3

FIM at Admission

Mean (SD)

54 (13)

56 (7)