| Continuous variables |
Patients
|
Mean (ąSD)
|
p
|
| Height (cm) |
Affected
Non affected
|
175 (7 )
170 (10)
|
.026
|
| Weight (kg) |
Affected
Non affected
|
66.3 (10.0 )
58.9 (10.5 )
|
.002
|
|
BMI |
Affected
Non affected
|
21.7 (2.2)
20.4 (2.0)
|
.002
|
| Years
of activity |
Affected
Non affected
|
12.4 (7.2)
9.3 (7.0)
|
.026
|
|
Km
per week |
Affected
Non affected
|
29.6 (13.6)
50.4 (26.8)
|
<.0005
|
| Group
variables |
Group
|
Affected
(%)
|
p
|
| Gender |
Males
Females
|
20.9%
7,5%
|
.016
|
| Type of activity |
Sprint
Hurdles
Middle distance
Long distance
|
46.2%
60.0%
3.0%
3.0%
|
<.0005
|
|
Knee
alignment |
Neutral
Varus
Valgus
|
13.7%
21.7%
0%
|
.08
|
| Initial
contact |
Heel
Midfoot
Toe
|
4.0%
37.5%
28.0%
|
<.0005
|
|
Alignment |
Neutral
Supination
Pronation
|
20.0%
23.1%
0%
|
<.0005
|
| Multivariate analysis |
OR
|
95% C.I.
|
p
|
|
Years
of activity |
1.21
|
1.08 - 1.35
|
.001
|
| Km
per week |
0.95
|
0.92 - 0.98
|
.001
|
|
Shoes other than A3 (with reference to A3) |
7.18
|
1.32 - 38.40
|
.022
|
| Initial contact with midfoot (with reference to heel) |
6.04
|
1.57 - 23.15
|
.009
|
| Initial contact with toe (with reference to heel) |
5.21
|
0.79 - 34.37
|
.086
|