Table 8
Stress fractures.
Continuous variables
Patients
Mean (±SD)
p
Weight (kg)
Affected
Non affected
54.0 (4.7)
60.6 (11.0)
.009
BMI
Affected
Non affected
19.4 (1.7)
20.7 (2.1)
.011
Years of activity
Affected
Non affected
13.6 (8.3)
9.3 (6.8)
.034
Days of practice per week
Affected
Non affected
7.0 (1.6)
4.7 (1.4)
.0005
Km per week
Affected
Non affected
84.4 (22.1)
43.4 (23.6)
.0005
Group variables
Group
Affected (%)
p
Gender
Males
Females
4.7%
15.0%
.034
Type of activity
Sprint
Hurdles
Middle distance
Long distance
0%
0%
18.2%
6.3%
.017
Level
Competitive Recreational
14.5%
0%
.01
Hindfoot
Neutral
Varus
Valgus
2.9%
25.0%
12.9%
.015
Longitudinal arch
Normal
Cavus
Flat
7.1%
4.8%
50.0%
.0005