Cross-cultural adaptation and validation for central sensitization inventory: based on Chinese patients undergoing total knee arthroplasty for knee osteoarthritis

Table 5 Cronbach’s α, intraclass correlation coefficients, and Guttman split-half coefficient of test–retest reliability

Item no.	Questions	Cronbach’s α	ICC	Guttman split-half coefficient
Sum	Total score	0.83	0.965	0.88
Factor 1	Emotional Distress	0.96	0.965	0.92
Factor 2	Headache and Jaw Symptoms	0.98	0.948	0.98
Factor 3	Physical Symptoms	0.79	0.910	0.79
Factor 4	Urological Symptoms	0.86	0.971	0.78
Factor 5	Fatigue and Sleep Problems	0.76	0.966	0.71

ISSN: 1749-799X