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Table 1 Some characteristics of all the 1325 included patients

From: Evaluation of the Scandinavian guidelines for head injuries based on a consecutive series with computed tomography from a Norwegian university hospital

General characteristics

N = 1325

Gender

 

 Male

754 (56.9%)

Age

 

 Median [Range]

35 [0-100]

 Infant/toddler (0-3)

24 (1.8)

 Children (4-15)

169 (12.8%)

 Adolescents/young adults (16-20)

160 (12.1%)

 Adults (21-64)

673 (50.8%)

 Elderly (≥65)

299 (22.6%)

Trauma mechanism

 

 Falls

688 (51.9%)

 Traffic accidents

349 (26.3%)

 Violent assaults

107 (8.1%)

 Other*

140 (10.6%)

 Unknown/missing data

41 (3.1%)

Time from trauma to CT scan

 

 Median

2.6 hours

 <12 hours

785 (59.2%)

 >12 hours

94 (7.1%)

 Unknown/missing data

446 (33.7%)

Time of CT scan

 

 Weekday (Mon-Fri, 08-15)

343 (25.9%)

 Weekday evening (Mon-Fri 15-22)

288 (21.7%)

 Weekday night (Mon-Thu 22-08)

143 (10.8%)

 Weekend/Holiday (Fri -Mon 15-08)

551 (41.6%)

  1. *Includes head traumas without falling or violence and/or possible medical cause of trauma (e.g. syncope, epilepsy, cardiac arrest etc.).