From: Correlation between preoperative predictions and surgical findings in the parotid surgery for tumors
Variable | TP | FP | TN | FN | specificity | sensitivity |
---|---|---|---|---|---|---|
Location: superficial lobe | ||||||
Facial nerve line | 87 | 3 | 5 | 11 | 0.88 | 0.94 |
Utrecht line | 56 | 7 | 7 | 36 | 0.5 | 0.6 |
The Conn’s arc | 55 | 8 | 6 | 37 | 0.57 | 0.59 |
Retromandibular vein | 64 | 7 | 7 | 28 | 0.5 | 0.69 |
Location: deep lobe | ||||||
Facial nerve line | 5 | 3 | 89 | 9 | 0.84 | 0.36 |
Utrecht line | 6 | 8 | 84 | 8 | 0.79 | 0.43 |
The Conn’s arc | 7 | 5 | 87 | 7 | 0.82 | 0.5 |
Retromandibular vein | 9 | 10 | 82 | 5 | 0.77 | 0.64 |
Encapsulation | 101 | 0 | 4 | 1 | 0.95 | 0.99 |
parapharyngeal space | 4 | 2 | 97 | 3 | 0.8 | 0.95 |