Parameter estimates (mortality at 3 months)—RAPID score
| % died 3 months* | OR (95% CI) | p Value | |
| MIST1 | |||
| 0–2 (reference group) | 1/186 (1) | – | – |
| 3-4 | 14/121 (12) | 24.41 (3.14 to 186.65) | 0.002 |
| ≥5 | 26/51 (51) | 192.40 (25.01 to 1480.41) | <0.001 |
| MIST2 | |||
| 0–2 (reference group) | 3/97 (3) | – | – |
| 3–4 | 6/65 (9) | 3.19 (0.77 to 13.23) | 0.11 |
| ≥5 | 9/29 (31) | 14.1 (3.50 to 56.78) | <0.001 |
↵* Patients who were missing the necessary data to calculate the RAPID score were not included in mortality summaries, however these patients were used to calculate ORs for mortality.