Table 2 Prevalence Ratios and 95% Confidence Intervals for the profiles identified through the model (n = 76)

Profiles for runners with PFP

Node 1

Braking Ground Reaction Force Impulse <  = .012 BW*s

4.95 (1.45–16.93)*

Node 4

Braking Ground Reaction Force Impulse > .012 BW*s

Contact time > .29 s

4.16 (1.04–16.60)*

Node 8

Braking Ground Reaction Force Impulse > .012 BW*s

Contact time <  = .29 s

Average Vertical Loading Rate > 66.9 BW/s

Age > 27.5 y

9.86 (1.16–83.34)*

Profiles for healthy runners

Node 5

Braking Ground Reaction Force Impulse > .012 BW*s

Contact time <  = .29 s

Average Vertical Loading Rate <  = 66.9 BW/s

0.06 (0.02–0.23)*

Node 7

Braking Ground Reaction Force Impulse > .012 BW*s

Contact time <  = .29 s

Average Vertical Loading Rate > 66.9 BW/s

Age <  = 27.5 y

0.29 (0.05–1.57)