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Table 6 Final prognostic model for post-operative day 2 functional recovery (POD 2 mILAS) for the TKA group

From: Patient and surgical prognostic factors for inpatient functional recovery following THA and TKA: a prospective cohort study

Prognostic factors Unstandardized regression coefficient (B) Standard error of the coefficient (SEB) 95% CI for B Standardized coefficient (ß) p value
Constant/intercept 7.837 4.187 − 0.415, 16.090   0.063
Age 0.184 0.042 0.101, 0.267 0.263 < 0.001
Gender (0 = female, 1 = male) − 1.487 0.696 − 2.859, − 0.116 − 0.120 0.034
Pre-operative patient-reported general health (EQ-5D VAS/100) − 0.087 0.024 − 0.134, − 0.039 − 0.207 < 0.001
Pre-operative function (TUG, sec) 0.503 0.114 0.279, 0.728 0.263 < 0.001
Surgery duration (min) − 0.033 0.016 − 0.064, − 0.002 − 0.125 0.038
Anaesthetic method: use of GA only − 2.066 0.858 − 3.756, − 0.375 − 0.143 0.017
Initial analgesia: LIA use − 3.619 1.193 − 5.971, − 1.267 − 0.179 0.003
Initial analgesia: PCA use 2.345 0.959 0.455, 4.235 0.154 0.015
  1. Statistical significance assessed at the 0.05 level
  2. CI confidence interval, EQ-5D VAS EuroQol-5 Dimension Visual Analogue Scale, GA general anaesthesia, LIA local infiltration analgesia, PCA patient-controlled analgesia, TUG Timed Up and Go test, VAS visual analogue scale