Table 1 Risk of bias assessment using the ROBINS-I tool
Bias | Wang et al. (2019) [52] | Pathmanandavel et al. (2023) [54] | Grkovski et al. (2023) [55] | Song et al. (2024) [51] | Neubauer et al. (2024) [53] |
|---|---|---|---|---|---|
SPECT/CT reconstruction process (SUV phantom validation) | Intermediate | Intermediate | Low | High | High |
Selection (study type and sample size) | High | Low | Intermediate | Intermediate | Intermediate |
Missing outcome data (SUV metrics) | Low | Low | Low | Low | Low |
Measurement of the outcome | Low | Low | Low | Low | Low |
Selection of the reported result | Low | Low | Low | Low | Low |
Overall ROBINS-I (low = 1, intermediate = 2, high = 3) | 1.6 | 1.2 | 1.2 | 1.6 | 1.6 |