Table 3

 Clinical diagnoses of jumper’s knee and sonographic findings in volleyball players versus controls

Volleyball players’ tendons (n = 114)Controls’ tendons (n = 110)
SymptomaticAsymptomaticSymptomaticAsymptomatic
MaleFemaleMaleFemaleMaleFemaleMaleFemale
A total of 224 tendons were investigated.
Hypoechoic regions00270055
Hypoechoic regions and PD flow 100110010
Hypoechoic regions and PD flow 2–3102910000
No ultrasound changes003645004851
Total1024854005456