Table 5.

Performance of the algorithm in predicting readmission for Queensland compared to UK and US data

	Risk score threshold
	50%	70%	80%
Queensland data
Sensitivity (95% CI)	44.7 (42.5–46.9)	7.8 (6.7–9.1)	1.1 (0.1–1.7)
Specificity (95% CI)	78.1 (76.4–79.6)	97.5 (96.8–98.1)	99.8 (99.6–99.9)
False positive rate (95% CI)	37.5 (35.0–40.0)	28.2 (22.3–34.6)	14.8 (4.2–33.7)
LR+ (95% CI)	2.04 (1.86–2.23)	3.11 (2.33–4.15)	7.02 (2.43–20.28)
LR- (95% CI)	0.71 (0.68–0.74)	0.95 (0.93–0.96)	0.99 (0.99–1.00)
UK study[11]
Sensitivity	54.3	17.8	8.1
Specificity	72.2	95.0	98.6
False positive rate	34.7	22.6	15.7
LR+ (95% CI)	2.0	3.6	5.8
LR- (95% CI)	0.6	0.9	0.9
US study[14]
Sensitivity	57.9	Not reported	Not reported
Specificity	70.7
False positive rate	34.1
LR+ (95% CI)	2.0
LR- (95% CI)	0.6