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Table 2 Outcomes of the intervention

From: Botulinum toxin injections as salvage therapy is beneficial for management of patellofemoral pain syndrome

Questionnaire

Pre (mean ± SD)

Post (mean ± SD)

Δ (mean ± SD)

P−value

Lysholm

56.2 ± 15.0

27.0 ± 17.6

 < 0.001

83.2 ± 16.5

Kujala

58.9 ± 12.6

23.8 ± 17.0

 < 0.001

82.7 ± 15.2

NRS

7.6 ± 2.0

−4.4 ± 3.0

 < 0.001

3.2 ± 3.0

SF-6D

0.6 ± 0.1

0.2 ± 0.2

 < 0.001

0.8 ± 0.2

  1. NRS numerical rating scale