Table 2 Source and method for item selection of the included instruments (n = 104)1)
Source and method for item selection | n | % | n | % |
|---|---|---|---|---|
Selection with patient input | Â | Â | 58 | 55.8% |
   Patients quantitative | 21 | 20.2% |  |  |
   Patients qualitative | 13 | 12.5% |  |  |
   Patients qualitative and quantitative | 6 | 5.8% |  |  |
   Patients quantitative and experts qualitative | 6 | 5.8% |  |  |
   Patients and experts qualitative | 5 | 4.8% |  |  |
   Patients and experts quantitative | 4 | 3.8% |  |  |
   Patients and experts qualitative, patients quantitative | 3 | 2.9% |  |  |
Selection with expert input only | Â | Â | 12 | 11.5% |
   Qualitative | 5 | 4.8% |  |  |
   Quantitative | 5 | 4.8% |  |  |
   Quantitative and qualitative | 2 | 1.9% |  |  |
Not reported (n = 33) and N/A (n = 1) | Â | Â | 34 | 32.7% |