Table 2 Diagnostic index of ultrasound-guided fine-needle aspiration (US-FNA) for 41 retrojugular lymph nodes
From: Ultrasound-guided fine-needle aspiration for retrojugular lymph nodes in the neck
Items | Inclusion of inadequate cytology into benign category (%) | Inclusion of inadequate cytology into malignant category (%) |
|---|---|---|
Sensitivity | 18/26(69.2) | 24/26(92.3) |
Specificity | 15/15(100) | 15/15(100) |
PPV | 18/18(100) | 24/24(100) |
NPV | 15/23(65.2) | 15/17(88.2) |
Accuracy | 33/41(80.5) | 39/41(95.1) |
False positive rate | 0/15(0) | 0/15(0) |
False negative rate | 8/26(30.8) | 2/26(7.7) |