Table 1

Characteristics of the outreach and information groups

VariableOutreach group (n=48)Information group (n=46)
*For participants with estimated post-traumatic amnesia less than 24 hours, there was other neurological evidence of at least moderate brain injury.
Age (y):
    Mean (SD)34 (11)35 (10)
    Median (range)34 (17–55)32 (17–63)
Sex ratio:
    Males : Females37:1134:12
Years since injury
    Mean (SD)4.0 (4.9)2.7 (3.6)
    Median (range)1.3 (0.2–20.3)1.4 (0.3–16.4)
Source of referral:
    Community3228
    RNRU1618
PTA duration:
    <1 hour*10
    1–24 hours00
    1–7 days14
    7–31 days910
    >1 month3730
    Unknown02
Months from allocation to follow up:
    Mean (SD)25.1 (5.3)24.6 (5.6)
    Median (range)23.0 (18.0–40.0)23.5 (18.0–40.0)