Table 6.

CRP test

Cut-off value	8.3	5.8	2.7
Sensitivity	70.6%	73.5%	69.6%
Specificity	81.6%	68.4%	68.7%
Likelihood for positive test	3.84	2.33	2.22
Likelihood for negative test	0.26	0.44	0.45

CRP: C-reactive protein (reference value: 0-5 mg/L).