Table 3.
Delong-test
| Test Results Comparison | Z value | P value | Area under curve difference | Standard error difference | Confidence Interval | |
|---|---|---|---|---|---|---|
|
| ||||||
| lower | upper | |||||
| PNI-CEA | -5.748 | <0.001 | -0.428 | 0.312 | -0.574 | -0.282 |
| PNI-CA242 | -4.879 | <0.001 | -0.33 | 0.312 | -0.463 | -0.198 |
| PNI-Unite | 0.134 | 0.893 | 0.002 | 0.261 | -0.027 | 0.031 |
| CEA-CA242 | 1.355 | 0.176 | 0.098 | 0.350 | -0.044 | 0.239 |
| CEA-Unite | 5.164 | <0.001 | 0.430 | 0.315 | 0.267 | 0.593 |
| CA242-Unite | 4.383 | <0.001 | 0.332 | 0.315 | 0.184 | 0.481 |
Note: PNI, Prognostic Nutritional Index; CEA, Carcinoembryonic Antigen; CA242, Carbohydrate Antigen 242.