The impact of central sensitization on perioperative pain in TKA: a retrospective cohort study

Table 3 Influence factors of preoperative KOOS pain in multiple linear regression analysis

Preoperative KOOS pain	β	95% CI	p-Value	VIF
Age, per 1 year	0.14	−0.36, 1.27	0.2660	1.12
Female	−0.18	−17.36, 2.51	0.1401	1.05
BMI ≥ 25	−0.10	−12.25, 5.76	0.4732	1.19
KL grade 4	−0.05	−11.38, 7.14	0.6485	1.06
High CS	−0.28	−18.53, −0.92	0.0310	1.17
High pain self-efficacy	0.25	0.32, 18.08	0.0426	1.12
Abnormal BS-POP	−0.06	−3.53, 10.77	0.6461	1.18

Multiple linear regression analysis was performed with age, sex, BMI, KL grade, CSI-9, PSEQ, and BS-POP
KOOS Knee Injury and Osteoarthritis Outcome Score, BMI body mass index, KL grade Kellgren‒Lawrence grade, CSI-9 Central Sensitization Inventory-9, PSEQ Pain Self-Efficacy Questionnaire, BS-POP Brief Scale for Psychiatric Problems in Orthopedic Patients, VIF variance inflation factor
Factors with significant differences are shown in bold emphasis

ISSN: 2234-2451