Table 3 Item-total correlations and internal consistency reliability of the TSC-PROM
From: Understanding the impact of tuberous sclerosis complex: development and validation of the TSC-PROM
|  | Item-total correlations | Cronbach’s alpha | ||
|---|---|---|---|---|
| Â | Self-report | Proxy-report | Self-report | Proxy-report |
Total TSC-PROM | Â | Â | 0.819 | 0.775 |
Physical functions domain | 0.00–0.62 | 0.00–0.72 | 0.806 | 0.820 |
Mental functions domain | 0.39–0.82 | 0.08–0.84 | 0.967 | 0.924 |
Activities and participation domain | 0.56–0.84 | 0.23–0.82 | 0.938 | 0.906 |