Table 5. The results of subgroup analysis for 18F-FDG PET/CT.
| subgroups | No. of studies | Sensitivity (95% CI) | P Value | Specificity (95%) | P Value |
|---|---|---|---|---|---|
| Ethnicity | |||||
| Asian | 6 | 0.49 (0.36–0.63) | 0.44 | 0.83 (0.59–1.00) | 0.63 |
| Caucasian | 3 | 0.62 (0.35–0.88) | 0.99 (0.94–1.00) | ||
| Number of subjects | |||||
| < 100 | 7 | 0.50 (0.36–0.64) | 0.53 | 0.93 (0.87–0.99) | 0.00 |
| ≥ 100 | 2 | 0.59 (0.35–0.84) | 0.25 (0.02–0.53) | ||
| Manufacturer | |||||
| GE | 6 | 0.50 (0.34–0.65) | 0.60 | 0.96 (0.90–1.00) | 0.00 |
| Non-GE | 3 | 0.57 (0.36–0.77) | 0.47 (0.05–0.89) | ||
| Imaging evaluation | |||||
| Qualitative analysis | 8 | 0.47 (0.38–0.56) | 0.00 | 0.90 (0.75–1.00) | 0.06 |
| Quantitative analysis | 1 | 0.84 (0.72–0.92) | 0.68 (0.23–1.00) |
Abbreviations: GE = American General Corporation; 95% CI = 95% confidence intervals.