OSPRO-YF	Optimal Screening or Prediction of Referral and Outcome—Yellow Flag
PROMIS	Patient-Reported Outcomes Measurement Information System
ASES	American Shoulder and Elbow Surgeons Score
IKDC	International Knee Documentation Committee Subjective Knee Form
EHR	Electronic Health Record
PHQ-9	Patient Health Questionnaire-9
STAI	State-Trait Anxiety Inventory
STAXI	State-Trait Anger Expression Inventory
FABQ	Fear Avoidance Beliefs Questionnaire
TSK-11	Tampa Scale of Kinesaphobia-11
PCS	Pain Catastrophizing Scale
SER	Self-Efficacy for Rehabilitation Outcome Scale
CPAQ	Chronic Pain Acceptance Questionnaire
BMI	Body Mass Index
SANE	Single Assessment Numerical Evaluation
AIC	Akaike Information Criterion
BIC	Bayesian Information Criterion
ANOVA	Analysis of Variance
HSD	Honestly Significant Difference
BH	Benjamini–Hochberg
HD-4	High Distress Class 4
LD-1	Low Distress Class
LS-2	Low Self-Efficacy Class 2
NP-3	Negative Pain Coping Class 3