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Table 2 Regression analyses for THA and TKA patients

From: Psychosocial predictors for outcome after total joint arthroplasty: a prospective comparison of hip and knee arthroplasty

  Dependent variable R2 corrected Significant predictors B SE B β t p
THA t2 WOMAC pain .171 t0 BSI anxiety 1.52 0.49 .44 3.11 .003
t2 WOMAC stiffness .214 t0 WOMAC stiffness 0.32 0.11 .38 2.78 .008
t0 SOC-13 −0.82 0.35 −.32 −2.32 .026
t2 WOMAC function .316 t0 BSI anxiety 1.89 0.51 .48 3.69 .001
t0 F-SozU −0.72 0.35 −.27 −2.08 .044
t2 WOMAC total .305 t0 BSI anxiety 14.06 3.91 .47 3.60 .001
t0 F-SozU −5.38 2.64 −.27 −2.04 .048
TKA t2 WOMAC pain .137 t0 WOMAC pain 0.36 0.12 .39 3.13 .003
t2 WOMAC stiffness .096 t0 BSI anxiety 1.17 0.45 .34 2.61 .012
t2 WOMAC function .183 t0 WOMAC function 0.45 0.12 .45 3.65 .001
t2 WOMAC total .195 t0 WOMAC total 0.46 0.12 .46 3.79 <.001
  1. Legend: THA total hip arthroplasty, TKA total knee arthroplasty, WOMAC Western Ontario and Mac Master Universities Osteoarthritis Index, BSI Brief Symptom Inventory, SOC-13 Sense of coherence scale-13, F-SozU questionnaire of social support
  2. Independent variables in the regression model: t0 BSI anxiety, t0 BSI depression, t0 SOC-13, t0 F-SozU, t0-score of the model’s dependent variable