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Table 3 Content validity of the Pedi-IKDC and KOOS-Child subscales

From: Pedi-IKDC or KOOS-child: which questionnaire should be used in children with knee disorders?

  Relevant items / total items (%)
Orthopaedic surgeons
(n = 18)
Patients
(n = 18)
Pedi-IKDC 20/21 (95%) 20/21 (95%)
KOOS-Child Symptoms 6/7 (86%) 7/7 (100%)
KOOS-Child Pain 7/8 (88%) 7/8 (88%)
KOOS-Child ADL 7/11 (64%) 9/11 (82%)
KOOS-Child Sport/play 7/7 (100%) 7/7 (100%)
KOOS-Child QOL 5/6 (83%) 6/6 (100%)
  1. Relevant questionnaire/subscales (< 75%) are represented in bold IKDC, The International Knee Documentation Committee Subjective Knee Form; KOOS Knee injury and Osteoarthritis Outcome Score, ADL Activities of Daily Living, QOL Quality Of Life, n number of patients