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Summary estimates of the diagnostic performance of C-TIRADS.
| Classification | LR+ (95% CI) | LR- (95% CI) | AUC (95% CI) |
|---|---|---|---|
| C-TIRADS 4A | 1.43 (1.28–1.63) | 0.01 (0.00–0.03) | 1.00 (0.99–1.00) |
| C-TIRADS 4B | 3.20 (2.28–4.39) | 0.09 (0.05–0.15) | 0.94 (0.90–0.96) |
| C-TIRADS 4C | 7.38 (4.54–12.00) | 0.32 (0.20–0.45) | 0.88 (0.82–0.92) |
C-TIRADS, Chinese thyroid imaging reports and data systems; LR+, positive likelihood ratio; LR-, negative likelihood ratio; AUC, area under curve; 95% CI, 95% confidence interval.
