Table 4. Predicted probabilities according to attribute matching and clinical judgement in the 10 example patients.

Case n	Attribute matching		ED physician
	patients at risk*	10-day SAE, % (95% CI)
1	15	20 (7–45)	High risk
2	70	4 (1–12)	Intermediate risk
3	42	5 (1–16)	Intermediate risk
4	12	0 (0–24)	Intermediate risk
5	84	4 (1–10)	Intermediate risk
6	34	6 (2–19)	Low risk
7	42	5 (1–16)	High risk
8	6	16 (3–56)	High risk
9	6	0 (0–39)	High risk
10	3	33 (6–79)	High risk

ED: Emergency Department; SAE: serious adverse events

*: number of patients with the same combination of risk factors

CI: Confidence Interval.