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. 2014 Jan 22;4(1):e004205. doi: 10.1136/bmjopen-2013-004205

Table 2.

Demographic and clinical data of the patients with mTBI and the control participants who completed the 6-week follow-up

mTBI Control p Value
Sample size (n) 100 137
Age (years) 39.53 29.86 <0.001
Male/female (n) 35/65 47/90 NS
Education (years) 15.46 14.91 0.045
Smoker (N/Y) 82/18 115/22 NS
Drink (N/Y) 58/42 51/82 <0.01
Headache (N/Y) 25/75 98/39 <0.01
Depression (N/Y) 51/49 103/34 <0.01
GCS 14.98
Questionnaires
 BAI >7 (N/Y) 57/43 125/12 <0.01
 BDI >9 (N/Y) 53/47 111/26 <0.01
 ESS >9 (N/Y) 66/34 108/29 <0.01
 PSQI >5 (N/Y) 10/90 77/60 <0.01
Mechanisms of injury
 Transportation accident 39
 Falls 34
 Other 27

BAI, Beck Anxiety Inventory; BDI, Beck Depression Inventory II; ESS, Epworth Sleepiness Scale; GCS, Glasgow Coma Scale; mTBI, mild traumatic brain injury; NS, p>0.05; PSQI, Pittsburgh Sleep Quality Index.