Relationship between Nontraumatic Shoulder Disorders and Neuropathic Pain: Retrospective Observational Analyses of Clinical Features and Background Factors

Table 4

Prevalence of neuropathic pain in patients with shoulder disorders.

Diagnosis	Number of cases (nep-positive/all)	Rate (%)
Frozen shoulder	3/9	33.3
Osteoarthritis	1/6	16.7
Calcific tendinitis	1/6	16.7
Rotator cuff tear	7/139	5.0
Impingement syndrome	1/21	4.8

Significant according to Fisher’s exact test with Bonferroni’s adjustment. The prevalence of neuropathic pain was significantly higher in patients with frozen shoulder than in patients with other shoulder disorders. Nep, neuropathic pain.