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


Howell et al. BMC Health Services Research 2009 9:96   doi:10.1186/1472-6963-9-96

Open Data