Convergent validity:
Children with Knee Pathology: (Moutzouri et al, 2021; Greek translation of KOOS-Child)
- Poor to Excellent convergent validity between KOOS-Child and KIDSCREEN subscales
Correlations between KOOS-Child and KIDSCREEN subscales
KIDSCREEN Subscales
KOOS-Child Subscales
Physical activities/health
General Feeling
Parents/Free Time
Friends
School
Pain
0.6
0.5
-
-
0.4
Symptoms
0.7
0.3
-
-
0.5
ADL
0.5
0.4
0.4
0.3
0.3
Sport-play
0.5
0.4
-
0.4
0.3
QoL
0.5
0.6
0.5
0.4
0.4
Note: p < 0.01 for all correlations
- Poor to Excellent convergent validity between KOOS-Child and Kid-KINDL subscales
Correlations between KOOS-Child and Kid-KINDL subscales
Kid-KINDL Subscales
KOOS-Child Subscales
Physical Health
General Feeling
Self
Family
Friends
School
Hospital/Disease
Pain
0.5
0.5
-
-
-
-
0.3 (ns)
Symptoms
0.6
0.5
-
-
-
-
0.4*
ADL
0.6
0.5
-
-
-
-
-
Sport-play
0.6
0.4
-0.6 (ns)
-
-
-
-
QoL
0.6
0.6
0.1 (ns)
0.2 (ns)
0.6*
0.3
0.3 (ns)
Note: All correlations significant at p < 0.01 except where noted: ns = not significant (p>0.05) and * = significant at p < 0.05
Children with Stable Knee Conditions: (Van der Velden, 2019)
Adequate to Excellent convergent validity between KOOS-Child and other scales
KOOS Symptoms
KOOS Pain
KOOS ADL
KOOS Sport/play
KOOS QoL
Pedi-IKDC
0.69
0.84
0.83
0.80
0.76
Lysholm
0.70
0.71
0.66
0.56
0.57
NRS Pain
-0.44
-0.71
-0.62
-0.54
-0.52
EQ_5D
0.42
0.52
0.50
0.45
0.53
Patients with Knee Pain: (Rioux Trottier et al, 2018; French translation of KOOS-Child)
- Poor correlation between KOOS-Child subscales and CHAQ grip subscales (pain = -0.023; symptom = 0.110; ADL = -0.102; sport/play = -0.091; QoL = 0.132)
- Excellent correlation between KOOS-Child pain subscale and CHAQ pain subscale (-0.792)
- Excellent correlation between KOOS-Child sport/play subscale and CHAQ run and play subscale (-0.809)
- Excellent correlation between KOOS-Child ADL subscale and CHAQ walking subscale (-0.782)
- Adequate correlation between KOOS-Child symptoms subscale and VAS (-0.507)
- Excellent correlation between KOOS-Child pain, ADL, sport/play and QoL subscales and VAS (pain = -0.601; ADL = -0.646; sport/play = -0.604; QoL = -0.622)
- Excellent correlation between KOOS-Child QoL subscale and EQ-5D-Y usual activities subscale (-0.788)