Table. Observed vs Predicted Risk of Critical Illness Based on COVID-GRAM Score by Quintile of Predicted Risk Among 214 Patients Hospitalized With COVID-19 in Spain.
| Quintile (No. of patients) | Critical illness predicted, No. (%) [range] | Critical illness observed, No. (%) | P valuea |
|---|---|---|---|
| Q1 (42) | 2 (3.4) [0.4-5.0] | 1 (2.4) | .50 |
| Q2 (43) | 3 (7.6) [5.1-10.6] | 7 (16.3) | .21 |
| Q3 (43) | 6 (14.5) [10.7-20.6] | 6 (14.0) | >.99 |
| Q4 (43) | 14 (31.3) [21.5-41.4] | 13 (30.2) | .82 |
| Q5 (43) | 25 (57.5) [41.6-98.8] | 14 (33.0) | .01 |
a
P value from χ2 test comparing observed vs predicted values.