Table 2.

Performance of different models in cachexia prediction.

	AUC (95% CI)	ACC (95% CI)	SEN (95% CI)	SPEC (95% CI)	PPV (95% CI)	NPV (95% CI)	AIC
Radiomics signature
Training	0.77 (0.68–0.85)	72.36 (64.23–80.49)	75.00 (62.5–87.50)	70.67 (60.00–81.33)	62.07 (52.86–71.84)	81.54 (73.85–89.60)	140.4
Test	0.75 (0.60–0.86)	71.15 (59.62–82.69)	80.95 (61.9–95.24)	64.52 (48.39–80.65)	60.71 (48.57–74.07)	83.33 (79.37–95.91)	65.29
External	0.74 (0.55–0.93)	72.41 (55.17–89.66)	71.43 (50–92.86)	73.33 (53.33–93.33)	71.43 (54.44–92.31)	73.33 (57.89–92.86)	40.55
Radiomics Nomogram
Training	0.78 (0.69–0.86)	73.17 (64.23–80.49)	77.08 (64.58–87.5)	70.67 (60.00–80.63)	62.71 (54.03–72.31)	82.81 (74.64–90.84)	142.9
Test	0.76 (0.61–0.89)	75.00 (61.54–86.54)	80.95 (61.9–95.24)	70.97 (54.84–87.1)	65.38 (52.00–80.00)	84.62 (72.41–96.00)	62.78
External	0.70 (0.52–0.89)	75.86 (62.07–87.66)	71.43 (50–92.86)	80.00 (53.33–100)	76.92 (61.22–100)	75.00 (61.90–91.33)	39.78
Clinical nomogram
Training	0.70 (0.62–0.79)	67.48 (59.35–75.61)	68.75 (56.25–81.25)	66.67 (56.00–77.33)	56.90 (48.31–65.95)	76.92 (69.23–84.75)	156.9
Test	0.65 (0.49–0.8)	61.54 (48.08–75.00)	61.90 (42.86–80.95)	61.29 (45.16–77.42)	52.00 (37.50–66.67)	70.37 (57.14–84.40)	69.83
External	0.63 (0.43–0.83)	44.83 (24.14–65.52)	42.86 (14.29–71.43)	46.67 (20.00–73.33)	42.86 (20.75–62.50)	46.67 (26.98–65.79)	43.49