Study design of protocol
| Items | Parameters |
|---|---|
| Type of study | Case-control |
| Location | Centro Hospitalar Universitário de São João |
| Patients | Both genders and ≥ 60 years old |
| Cohorts | Cases: symptomatic CTS and surgical treatment indication |
| Controls: absence of symptomatic CTS and indication for hand surgical treatment | |
| Exclusion criteria | Patients with diabetes mellitus, hypothyroidism, chronic renal failure under haemodialysis, rheumatoid arthritis and other inflammatory arthropathies, multiple myeloma, gout, chondrocalcinosis, Colles’s fracture, space-occupying lesions, or infectious synovitis |
CTS: carpal tunnel syndrome