Table 2.
Classification results for the training set
| Predictive Marker | Sensitivity (%) |
Specificity (%) |
PPV (%) |
NPV (%) |
|
|---|---|---|---|---|---|
| PDAC training samples | |||||
| MPD index (cut-off 0.3) | 87 | 81 | 50 | 97 | |
| MPD index (cut-off 0.3), sarcopenia (+/-) | 73 | 94 | 73 | 94 | |
| MPD index (cut-off 0.3), PNI (cut-off 45) | 87 | 81 | 50 | 97 | |
| MPD index (cut-off 0.3), preoperative biliary drainage (+/-) | 87 | 81 | 50 | 97 | |
| Non-PDAC training samples | |||||
| MPD index (cut-off 0.3) | 78 | 63 | 65 | 72 | |
| MPD index (cut-off 0.3), BMI (cut-off 25) | 84 | 57 | 63 | 80 | |
| BMI (cut-off 0.3), VFA (cut-off 100), MPD size (cut-off 3) | 98 | 39 | 59 | 96 | |
| MPD index (cut-off 0.3), age (cut-off 65), BMI (cut-off 25) | 84 | 57 | 63 | 80 | |
| MPD index (cut-off 0.3), sarcopenia (+/-), BMI (cut-off 25) | 84 | 57 | 63 | 80 | |
BMI, body mass index; MPD, main pancreatic duct; MPD index, MPD size/parenchymal thickness; NPV, negative predictive value; PDAC, pancreatic ductal adenocarcinoma; PNI, prognostic nutritional index; PPV, positive predictive value; VFA, visceral fat area.