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. 2018 Dec 15;113(12):1881–1890. doi: 10.1038/s41395-018-0278-2

Fig. 3.

Fig. 3

a ROC curve to assess predictive ability of final model to predict surgery in 2 years. AUC = 0.8741 (0.8234‐0.9246). Bootstrap resampling with 1000 replications for internal validity yielded AUC = 0.8741 (0.8237‐0.9245). b ROC curve to assess predictive ability of final model to predict surgery in 5 years. AUC = 0.8402 (0.7869‐0.8935). Bootstrap resampling of 1000 replications for internal validity yielded AUC = 0.8402 (0.7882‐0.8922). ROC receiver operator curve, AUC area under the ROC curve