Chronicity Groups

Early Interval

2 - 8 Months

(n = 245)

Mid Interval

8.01 - 24 Months

(n = 129)

Late Interval

24.01+ Months

(n = 154)

Age

Mean

SD

Range

42.4

15.3

18 - 80

39.6

13.7

17 - 75

38.12

13.0

18 - 68

Gender

Male

Female

64%

36%

74%

26%

78%

22%

Onset to Admission (months)

Mean

SD

Range

4.2

1.6

2 - 8

13.8

4.6

8.01 - 24

118.5

108.9

24.01 - 564.7

Length of Stay (months)

Mean

SD

Range

7.7

9.3

2 - 65.5

8.9

10.6

2 - 67.4

11.1

11.8

2 - 57.7

Severity of TBI

Mild

0.0%

3.1%

1.3%

Mild-Mod

13.1%

16.3%

16.9%

Moderate

31.8%

31.8%

48.7%

Severe

55.1%

48.8%

33.1%