Table 2 Multivariable Poisson regression analysis for high pain at 3-months post-surgery

Inpatient rehab or home

1.32

0.92–1.89

0.14

Age

0.95

0.93–0.97

< 0.001*

BMI

0.99

0.97–1.01

0.38

Smoker

1.48

0.91–2.40

0.12

OKS function subscale baseline

0.95

0.89–1.01

0.13

High pain baseline

2.18

1.03–4.64

0.043*

Opioids baseline

1.24

0.82–1.87

0.31

Gender (female)

1.07

0.74-1.54

0.74

Low back pain or other lower limb problem

1.64

1.11–2.42

0.013*

Major complication

1.99

1.40–2.83

< 0.001*

ASA category

1.25

0.85–1.83

0.26

Depression or anxiety

1.10

0.73–1.64

0.65

EQVAS baseline

1.00

0.99–1.01

0.82