TABLE 2.
Questionnaires for malignant thyroid diseases
| THYCA‐QoL | ThyCa‐HRLQOL | EORTC‐Thy34 | MADSI‐Thy | QOL‐Thyroid | ThyCAT | |
|---|---|---|---|---|---|---|
| Authors | Husson et al. | Li et al. | Singers et al. | Gning et al. | Ferrell, Dow et al. | Aschebrook‐Kilfoy et al. |
| No of items | 24 | 22 | 34 | 25 | 30 | 10 |
| Available languages | Dutch, Korean | English, Filipino | See EORTC website | English | English, Korean | English |
| Internal Consistency | 0.45–0.82 | 0.73–0.87 | ‐ | 0.76–0.92 | 0.74–0.94 | ‐ |
| Test–retest reliability | ‐ | ‐ | ‐ | ‐ | ‐ | ‐ |
| External validity | EORTC | EORTC | ‐ | ‐ | FACT‐G (0.78) | NATCSS |
| Construct validity | Factor analysis, multitrait | Factor analysis, Divergence, convergence | ‐ | ‐ | ‐ | Consistency with bifactor model |
| Criterion validity | ‐ | ‐ | ‐ | ECOG | ‐ | ‐ |
| Availability |
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| Answering time | ‐ | ‐ | 15 min | ‐ | ‐ | < 2 min |
Note: ‐: No information available or not evaluated.
: available in the publication (ThyCa‐HRQOL (45), MDASI‐Thy (48)) or with the following links: THYCA‐QoL (https://informahealthcare.com/doi/full/10.3109/0284186X.2012.718445), EORTC‐Thy34 (https://www.eortc.org/app/uploads/sites/2/2018/08/Specimen‐THY34‐English.pdf), QOL‐TV (https://www.midss.org/sites/default/files/qol‐thy.pdf).