Table 4 Sensitivity and Specifity for position of the three distal locking screws in relation to CT (gold standard)
True positive | False negative | True negative | False positive | Sensitivity (%) | Specifity (%) | |
|---|---|---|---|---|---|---|
2D Fluoroscopy | 27 | 0 | 10 | 1 | 100 | 91 |
“Movie” | 27 | 2 | 6 | 3 | 93 | 67 |
CBCT | 27 | 0 | 10 | 1 | 100 | 91 |