Table 3.
Outcome + | Outcome − | Total | |||
---|---|---|---|---|---|
Prediction + | 399 | 199 | 598 | Sensitivity | 74.2% |
Prediction − | 139 | 506 | 645 | Specificity | 71.8% |
Total | 538 | 705 | 1243 | PPV | 66.7% |
NPV | 78.4% | ||||
Accuracy | 72.8% | ||||
AUC ROC | 0.808 |
The table shows the performance evaluation of the AI model predicting the “Excellent Clinical Outcome”—ODI—SF36—COMI Back at 6 months FU. Outcome +: patients with ODI Δ ≥ 12.7/100 and SF-36 PCS (Δ ≥ 6/100) and COMI back (Δ ≥ 2.2/10); Outcome −: patients with at least one of the following conditions ODI Δ < 12.7/100 or SF-36 PCS Δ < 6/100 or COMI back Δ < 2.2/10; Prediction +: model’s predictions of patients with ODI Δ ≥ 12.7/100 and SF-36 PCS Δ ≥ 6/100 and COMI back Δ ≥ 2.2/10; Outcome −: model’s predictions of patients with at least one of the following conditions—ODI Δ < 12.7/100 or SF-36 PCS Δ < 6/100 or COMI back Δ < 2.2/10; PPV: Positive Predictive Values; NPV: Negative Predictive Values