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Table 1 Characteristics of 1189 bicycle-related injuries in Olmsted County, MN, 2002–2011

From: Pediatric bicycle-related head injuries: a population-based study in a county without a helmet law

Characteristic

No. (%)

Age, years

 

 5 to 9

488 (41.0)

 10 to 14

535 (45.0)

 15 to 18

166 (14.0)

Sex

 

 Female

367 (30.9)

 Male

822 (69.1)

Circumstances

 

 Single bicycle

1026 (86.3)

 Bicycle vs. car

91 (7.6)

 Bicycle vs. pedestrian

34 (2.9)

 Bicycle vs. bicycle

9 (0.8)

 Other

29 (2.4)

Location of injuriesa

 

 Extremity

895 (75.3)

 Head

500 (42.0)

 Brain

97 (8.2)

 Abdomen

50 (4.2)

 Chest

41 (3.4)

 Neck

14 (1.2)

Month of year

 

 January

2 (0.2)

 February

4 (0.3)

 March

28 (2.3)

 April

102 (8.6)

 May

162 (13.6)

 June

202 (17.0)

 July

208 (17.5)

 August

221 (18.6)

 September

165 (13.9)

 October

73 (6.1)

 November

19 (1.6)

 December

3 (0.3)

Day of week

 

 Sunday

182 (15.3)

 Monday

201 (16.9)

 Tuesday

163 (13.7)

 Wednesday

165 (13.9)

 Thursday

155 (13.0)

 Friday

146 (12.2)

 Saturday

177 (14.9)

  1. aSome patients had multiple injury locations.