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. Author manuscript; available in PMC: 2014 Dec 1.
Published in final edited form as: J Pain. 2013 Dec;14(12 0):T102–T115. doi: 10.1016/j.jpain.2013.09.003

Table 2.

Concordance Indices for the Random Forest Models Fit to Each OPPERA Domain

Domain Concordance Index
Cross-Domain 0.74
Autonomic 0.65
Clinical 0.72
Demographic 0.69
Health Status 0.75
Psychosocial 0.73
QST 0.67