Predicting acute kidney injury in septic shock patients using inflammatory indices in the intensive care unit

Figure 8 Calibration performance of the multilayer perceptron neural network. Calibration plot of the multilayer perceptron model showing the expected vs observed probabilities of the outcome. The bisector line aligns closely with the 45-degree reference, indicating good calibration. The 80%CI (light gray) and 95%CI (dark gray) remain within the bisector margins, suggesting stable model performance across risk strata. The Brier score was 0.22, and the Hosmer-Lemeshow goodness-of-fit P-value was 0.67, consistent with adequate calibration.