Table 3.

Analysis of diagnostic parameters according to different authors

Author	Diagnostic parameter	Sensitivity (%)	Specificity (%)	PPV (%)	NPV (%)
Schinsky et al. [26]	ESR and CRP	90	91	95	82
Schinsky et al. [26]	Aspiration	82	83	69	90
Tohtz et al. [29]	Soft tissue culture	37	91	67	77
Nunez et al. [20]	Frozen sections	98	99	98	99
Di Cesare et al. [7]	IL-6	100	95	89	100
Bottner et al. [4]	IL-6 and CRP	100	86	72	100
Buttaro et al. [current study]	IL-6 and CRP	57	100	100	94

PPV = positive predictive value; NPV = negative predictive value; ESR = erythrocyte sedimentation rate; CRP = C-reactive protein; IL-6 = interleukin-6.