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. Author manuscript; available in PMC: 2020 Aug 13.
Published in final edited form as: Anaesthesia. 2019 Jun 20;74(9):1165–1174. doi: 10.1111/anae.14742

Figure 4.

Figure 4

Calibration plots for the score for the prediction of early tracheal re-intubation after surgery (Score for Prediction of Postoperative Respiratory Complications-2) in development (Fig. 4a) and external validation (Fig. 4b) cohorts.