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

Table 5 Final prognostic model for post-operative day 2 functional recovery (POD 2 mILAS) in overall cohort

Prognostic factors	Unstandardized regression coefficient (B)	Standard error of the coefficient (SE_B)	95% CI for B	Standardized coefficient (ß)	p value
Constant/intercept	− 0.906	2.550	− 5.923, 4.111		0.723
Age	0.201	0.032	0.138, 0.264	0.297	< 0.001
Gender (0 = female, 1 = male)	− 1.671	0.571	− 2.795, − 0.547	− 0.134	0.004
Pre-operative patient-reported general health (EQ-5D VAS/100)	− 0.051	0.020	− 0.090, − 0.013	− 0.126	0.009
Pre-operative function (TUG, sec)	0.453	0.094	0.269, 0.637	0.241	< 0.001
Arthroplasty site (0 = THA, 1 = TKA)	2.223	0.631	0.982, 3.464	0.167	< 0.001
Anaesthetic—use of GA only	− 2.067	0.674	− 3.392, − 0.742	− 0.148	0.002
Initial analgesia—LIA use	− 3.022	0.848	− 4.690, − 1.355	− 0.184	< 0.001
Initial analgesia—PCA use	2.021	0.765	0.516, 3.526	0.134	0.009

Statistical significance assessed at the 0.05 level
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

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