Table 3. Sensitivity, specificity, and predictive values of prospectively measured SafeNET score at a threshold of 20% mortality.

Outcome	Prevalence	Sensitivity	Specificity	PPV	NPV	Accuracy
In-Hospital Mortality	25/275 (9.1%)	14/25 (56.0%)	233/250 (93.2%)	14/31 (45.2%)	233/244 (95.5%)	247/275 (89.8%)
30-Day Mortality	28/275 (10.2%)	18/28 (64.3%)	215/247 (87.0%)	18/50 (36.0%)	215/225 (95.6%)	233/275 (84.7%)
90-Day Mortality	43/275 (15.6%)	29/43 (67.4%)	187/232 (80.6%)	29/74 (39.2%)	187/201 (93.0%)	216/275 (78.5%)