Table 4 Detection results of suspicious lymph nodes and patients
Internal test dataset | External validation dataset | |||
|---|---|---|---|---|
Suscipious LNs | Suscipious Patients | Suscipious LNs | Suscipious Patients | |
No. of TP | 491 | 97 | 858 | 262 |
No. of FP | 124 | 2 | 226 | 19 |
No. of FN | 246 | 12 | 569 | 61 |
No. of TN | NA | 5 | NA | 59 |
PPV (95%CI) | 79.8% (76.5%, 82.8%) | 98.0% (92.9%, 99.4%) | 79.2% (76.6%, 81.5%) | 93.2% (89.7%, 95.6%) |
Sensitivity (95% CI) | 66.6% (63.1%, 69.9%) | 89.0% (81.7%, 93.6%) | 60.1% (57.6%, 62.6%) | 81.1% (76.5%, 85.0%) |
Specificity (95% CI) | NA | 71.4% (35.9%, 91.8%) | NA | 75.6% (65.1%, 83.8%) |
FP/vol | 1.07 | - | 0.56 | - |