[Retracted] Relationship between the Degree of Illness in Elderly Patients with Rheumatoid Arthritis and Parameters of Musculoskeletal Ultrasound and Oswestry Dysfunction Index and Clinical Value Analysis

Table 2

Rating scale of ODI in each group ( ± s).

Groups	N	ODI score
Remission group	25	8.32 ± 2.13
Low activity group	25	15.16 ± 1.35
Middle activity group	25	20.95 ± 1.69
High activity group	25	28.64 ± 1.81^a

indicates a significant difference in ODI score between the low activity group and the remission group (t = 13.471, ). indicates a significant difference in ODI score between the middle activity group and the remission group (t = 23.092, ). ^a indicates a significant difference in the ODI score between the high activity group and the remission group (t = 36.151, ).