|  | Measurement time points | |||||
---|---|---|---|---|---|---|---|
Measure | Questionnaire | T0 | V1 | V2 | T1 | T2 | T3 |
Patients’ background (demographics, clinical) | - | X |  |  | X | X | X |
CTS symptom severity and functional status | BCTQ | X | X | X | X | X | X |
Quality of life | WHOQOL-BREF | X | Â | X | X | X | X |
Depression and anxiety | PHQ-4 | X | X | X | X | X | X |
Health related resource utilization | Non-standardized | X | Â | Â | Â | Â | X |
Absenteeism from work | Non-standardized | X | Â | Â | X | X | X |