1. | (ICU* OR “intensive care” OR “critical care”).ab,ti. |
2. | INTENSIVE CARE UNITS/ |
3. | 1 OR 2 |
4. | (admission* OR admitted OR transfer*).ab,ti. |
5. | (“risk assessment*” OR “risk factor*” OR “risk stratif*” OR predict* OR “increased risk*” OR trigger* OR score* OR scoring OR “early warning” OR escalat* OR deteriorat* OR triag* OR “vital sign*” OR model* OR validat*).ab,ti. |
6. | 3 AND 4 AND 5 |
7. | limit 6 to (humans AND yr = “2000 Current”) |
8. | (observational OR “case control*” OR retrospective OR cohort* OR “systematic review*”).ab,ti. |
9. | OBSERVATIONAL STUDY/ |
10. | CASECONTROL STUDIES/ |
11. | RETROSPECTIVE STUDIES/ |
12. | COHORT STUDIES/ |
13. | RANDOMIZED CONTROLLED TRIAL/ |
14. | REVIEW/ |
15. | COMPARATIVE STUDY/ |
16. | PROSPECTIVE STUDIES/ |
17. | VALIDATION STUDIES/ |
18. | 8 OR 9 OR 10 OR 11 OR 12 OR 13 OR 14 OR 15 OR 16 OR 17 |
19. | 7 AND 18 |
20. | (unplanned OR unexpected OR unanticipated OR emergency OR “rapid response”).ab,ti. |
21. | 19 AND 20 |