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