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. Author manuscript; available in PMC: 2021 May 1.
Published in final edited form as: J Gastrointest Surg. 2019 Aug 29;24(5):1165–1172. doi: 10.1007/s11605-019-04373-z

Table 3.

Time-dependent internal and external validation for all cohorts represented by area under the ROC

Year Internal Validation (95% CI) External Validation
1 0.816 (0.813 – 0.818) 0.811
2 0.789 (0.786 – 0.790) 0.779
3 0.778 (0.775 – 0.780) 0.778