Table 7 Knee flexors injuries.
Continuous variables Patients Mean (±SD) 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