Table 5.

Test characteristics for the detection of high-grade sarcoma, for 2–3 positive signs versus 0–1 positive signs, for two readers

	Sensitivity	Specificity	Positive predictive value	Negative predictive value
Reader 1, ≥ 2	82.5%	72.2%	86.8%	65.0%
Reader 2, ≥ 2	80.5%	78.9%	89.2%	65.2%