Prospective Study
Copyright ©The Author(s) 2020.
World J Orthop. Apr 18, 2020; 11(4): 243-251
Published online Apr 18, 2020. doi: 10.5312/wjo.v11.i4.243
Table 1 Baseline characteristics
Characteristicn%
Sex
Male14474
Female5026
Age (yr)
10-202111
20-307941
30-406332
40-502412
50-6084.1
Experience (yr)
< 1136.7
1-22714
3-58544
5-105126
> 10189.2
Lessons
02915
1-34423
3-108443
> 103719
Board type
Twintip17892
Directional115.6
Race10.5
Different42.1
Protection
Quick-release19098
Impact vest3820
Helmet84.1
Different2412