Table 6 Achilles tendinopathy.
Continuous variables Patients Mean (±SD) p
Years of activity Affected Non affected 13.8 (7.2) 8.4 (6.5) .0005
Days of practice per week Affected Non affected 5.6 (1.5) 4.7 (1.5) .002
Km per week Affected Non affected 63.5 (26.9) 42.2 (24.1) .0005
Group variables Group Affected (%) p
Type of activity Sprint Hurdles Middle distance Long distance 15.4% 0% 33.3% 21.9%, .057
Level Competitive Recreational 29.1% 14.3% .037
Hindfoot Neutral Varus Valgus 29.4% 37.5% 17.1% .089
Longitudinal arch Normal Cavus Flat 19.6% 28.6% 50.0% .048
Multivariate analysis OR 95% C.I. p
Years of activity 1.13 1.06 − 1.21 .001
Km per week 1.03 1.01 − 1.05 .006
Athletics track (with reference to other surfaces) 5.25 1.26 − 21.84 .023
Varus hindfoot (with reference to normal hindfoot) .87 0.22 − 3.41 NS
Valgus hindfoot (with reference to normal hindfoot) .32 0.12 − 0.86 .024
Cavus arch (with reference to normal arch) 1.10 0.41 − 2.92 NS
Flat arch (with reference to normal arch) 16.99 2.76 − 104.40 .002