. Author manuscript; available in PMC: 2023 Aug 1.

Published in final edited form as: J Pediatr Orthop. 2022 Jun 15;42(7):e720–e726. doi: 10.1097/BPO.0000000000002190

TABLE IV.

Discriminant validity analysis of unrelated Patient-Reported Outcomes Measurement Information System computerized adaptive testing measures among 200 patients with adolescent idiopathic scoliosis ^*

Parameter	Physical Activity	Mobility	Peer Relationships	Anxiety	Depressive	Physical Stress Experiences	Pain Behavior	Pain Interference
Physical Activity	1
Mobility	0.25^†	1
Peer Relationships	0.11	0.23^†	1
Anxiety	0.09	−0.27^†	−0.23^†	1
Depressive Symptoms	0.01	−0.31^†	−0.26^†	0.66^†	1
Physical Stress Experiences	0.05	−0.48^†	−0.10	0.55^†	0.52^†	1
Pain Behavior	−0.07	−0.56^†	−0.14^†	0.34^†	0.31^†	0.57^†	1
Pain Interference	−0.06	−0.70^†	−0.21^†	0.42^†	0.40^†	0.60^†	0.79^†	1

Values (r_s) generated using Spearman correlation tests. Negative values indicate an inverse relationship between domains.

^†

Indicates significant value (p<0.05) indicating that domains are not independent.