From: Improving recognition of patients at risk in a Portuguese general hospital: results from a preliminary study on the early warning score
Time window (h)
EWS ≥ 3
On-call doctor alert
Δ (%)
−72
21/45 (46.7%)
3/43 (7.0%)
39.7
−24
30/59 (50.1%)
4/59 (6.8%)
43.3
−12
50/65 (76.9%)
23/65 (35.4%)
41.5