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Table 5

Kappa coefficients between modifiers

SPCMPEoCCNRSKID
SP1.0000
CMP0.40171.0000
EoCC−0.08290.00421.0000
NRS0.06200.0448−0.08221.0000
KID0.0005−0.06390.0608−0.09191.0000
SP Spinal pain, CMP Co-occurring musculoskeletal pain, EoCC Expectations of Clinical Course, NRS Numerical Rating Scale baseline pain intensity, KID Quality of life questionnaire