Table 1: Population Demographics

.	Skiers	Snowboarders	Total
Number	40	14	54
Age: (years)	.	.	.
Range	9-73	13-37	9-73
Median	32	22	27
Sex:	.	.	.
Female	9	2	11
Male	31	12	43
Mechanism	.	.	.
hit tree	13	2	15
hit another skier	2	0	2
fell on hill	14	8	22
fell while jumping	6	2	8
ran into an object	1	2	3
fell off chair lift	2	0	2
uncertain	2	0	2

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Table 2: Injuries Sustained

.	Skiers	Snowboarders	Total
Initial GCS score:	.	.	.
3-7	6	4	10
8-13	12	5	17
14-15	22	5	27
average	12	11	12
Injuries:	.	.	.
linear skull fracture	4	2	6
basal skull fracture	8	5	13
CSF leak	4	2	6
depressed skull fracture	2	2	4
cerebral contusion	6	6	12
epidural hematoma	5	4	9
subdural hematoma	2	2	4
diffuse/axonal shear	10	3	13
hemorrhage NOS	3	1	4
concussion	24	3	27
spine	8	3	11
Head injury rate (per 1000)	0.005	0.004	.

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Table 3: Procedures

.	Skiers	Snowboarders	Total
Craniotomy:	4	4	8
evacuation epidural hematoma	1	2	3
evacuation subdural hematoma	0	0	0
elevation skull fracture	1	2	3
other	2	0	2
ICP monitor	0	2	2
Burr holes	0	1	1
Cerebral angiography	2	0	2
Laparotomy	2	1	3
Tracheostomy	1	1	2
G-tube	1	1	2

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Table 4: Outcomes

,	Skiers	Snowboarders	Total
Length of hospital stay (days):	.	.	.
ward or stepdown (median/average)	4/6.6	9/20.4	5/8
ICU (median/average)	1/4.7 (13/40 patients)	8/11.8 (6/14 patients)	3/5 (18/54 patients)
Status on discharge:	.	.	.
intact	29	7	36
mild dysfunction	6	3	9
significant impairment	0	3	3
deceased	5	1	6
Destination on discharge:	.	.	.
home	34	9	43
rehab centre	1	3	4
another acute hospital	0	1	1
deceased	5	1	6
from a head injury	2	1	3
from other injuries	3	0	3

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