Variables | Prevalence (%) | Univariable | Multivariable | ||||
---|---|---|---|---|---|---|---|
Clinical-radiologic model | Clinical-radiologic-radiomics model | ||||||
Odds ratio (95% CI) | P-value | Odds ratio (95% CI) | P-value | Odds ratio (95% CI) | P-value | ||
CA19-9 > 500 U/mL | 30 (20.0) | 5.90 (2.46–14.17) | < 0.01 | 3.60 (1.39–9.34) | 0.01 | 2.91 (1.44–6.41) | 0.01 |
Abutment to the PV and/or SMV | 27 (18.0) | 3.13 (1.33–7.38) | < 0.01 | 2.54 (0.98–6.56) | 0.054 | 2.14 (1.05–4.39) | 0.04 |
Peripancreatic infiltration | 72 (48.0) | 1.51 (0.78–2.95) | 0.22 |  |  |  |  |
Adjacent organ invasion | 27 (18.0) | 3.80 (1.59–9.07) | < 0.01 | 2.91 (1.11–7.62) | 0.03 | 2.39 (1.10–5.19) | 0.03 |
Enlarged lymph node | 18 (12.0) | 1.11 (0.40–3.06) | 0.84 |  |  |  |  |
Obstructive pancreatitis | 48 (32.0) | 0.92 (0.45–1.89) | 0.83 |  |  |  |  |
Upstream parenchymal atrophy | 42 (28.0) | 0.52 (0.23–1.13) | 0.10 |  |  |  |  |
Main pancreatic duct dilatation | 104 (69.3) | 0.58 (0.28–1.18) | 0.13 |  |  |  |  |
Radscore | – | – | – | – | – | 5.46 (2.94–9.28) | < 0.01 |