Table 2.

Diagnostic value of different cut-off levels of entheseal thickness

	Sensitivity	Specificity	PPV	NPV	Accuracy
Balint et al. (6)	10	96	73	47	54
Females	11	98	88	49	57
Males	11	91	63	44	49
Schmidt et al. (8)	4	99	80	46	48
Females	5	98	75	48	50
Males	2	97	50	43	44
Current study	53	74	70	57	62
Females	58	71	69	59	63
Males	46	79	74	53	62

PPV: positive predictive values; NPV: negative predictive values