Purpose: Identify patients with patellofemoral pain who are more likely to benefit from foot orthoses.
Rule:
Vicenzino et al., 2010:
1. Age over 25 years
2. Height less than 165 cm
3. Worst pain less than 53.25 mm (100 mm visual analogue scale)
4. Mid-foot width difference greater than 10.96 m
Stage of CPR Development: Derivation.
| Variables | +LR | Prob of Success |
| 2 | 2.20 | 59.5% |
| 3 | 8.80 | 85.5% |
Barton et al., 2010:
1. Motion control properties (weighted mean) > 5.0
2. Usual pain > 22.0 mm
3. Ankle dorsiflexion (knee flexed) > 41.3 degrees
4. Reduced pain during a single-leg squat with the foot orthoses
Stage of CPR Development: Derivation.
| Variables | +LR | Prob of Success |
| 2 | 2.20 | 41.0% |
| 3 | 11.10 | 78.0% |
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John Snyder, DPT 
Hey man, thanks for putting these up. I just wanted you to know the Barton numbers are switched. It should be < 5.0, <22.0mm and < 41.3 DF. Though I don't understand how they had people measure that much dorsiflexion.
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