Table 1. Prediction model with paraquat concentrations and time interval.
Model 1 | Model 2 | Model 3 | ||
Overall performance | R2 | 0.846 | 0.833 | 0.811 |
Brier | 0.050 | 0.056 | 0.065 | |
Brierscaled | 0.784 | 0.763 | 0.735 | |
Discrimination | c statistic | 0.981 | 0.977 | 0.970 |
[95% CI] | [0.975–0.986] | [0.972–0.983] | [0.964–0.976] |
Model 1: patients who were admitted to our hospital within 12 h after ingestion of paraquat.
Model 2: patients who were admitted to our hospital within 24 h after ingestion of paraquat.
Model 3: all patients who were admitted our hospital at any time after ingestion of paraquat.