Table 4

Multilevel likelihood ratios with 95% confidence intervals and post-test odds of individual HARK scores.

HARK score (number of "yeses")

Likelihood ratio with 95% C.I.

Post-test odds


3 or 4

Undefined

Undefined

2

14.6 (4.3 to 49.4)

4.3

1

9.01 (3.7 to 21.9)

2.67

0

0.2 (0.1 to 0.4)

0.1


Sohal et al. BMC Family Practice 2007 8:49   doi:10.1186/1471-2296-8-49

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