Table 4.

Sensitivity, specificity, positive (PPV) and negative (NPV) predictive values, and accuracy for each of the tests are shown.

	Aspiration	Intraoperative Cultures	Histopathology	C-reactive protein	White blood- cell count
Sensitivity	0.57	0.78	0.95	0.95	0.14
Specificity	0.5	0.92	0.92	0.62	0.92
PPV	0.78	0.96	0.97	0.88	0.83
NPV	0.29	0.63	0.86	0.80	0.29
Accuracy	0.54	0.82	0.94	0.86	0.34