Clinical study on improving the diagnostic accuracy of adult elbow joint cartilage injury by multisequence magnetic resonance imaging

Table 3 Performance of magnetic resonance imaging sequences in the diagnosis of cartilage injury in the elbow

	Diagnostic sensitivity (%)	Diagnostic specificity (%)	Accuracy (%)	Positive predictive value (%)	Negative predictive value (%)
T1WI	81.67 [49/60]	78.33 [47/60]	79.67 ± 6.54	76.47 ± 7.32	82.61 ± 5.88
T2WI	83.33 [50/60]	71.67 [43/60]a	75.00 ± 5.58a	68.49 ± 7.25a	84.75 ± 4.47
PDWI	70.00 [42/60]b	85 [51/60]a,b	78.33 ± 5.25	82.35 ± 6.65a,b	74.19 ± 6.01a,b
T2*WI	78.33 [47/60]c	78.33 [47/60]b,c	77.96 ± 5.99	73.53±7.44b,c	80.77 ± 6.20c
3D-CISS	90.00 [54/60]a,b,c,d	88.33 [53/60]a,b,d	89.34 ± 4.98a,b,c,d	87.10 ± 5.18a,b,c,d	92.31 ± 4.13a,b,c,d

^aP < 0.05, compared with T1W1.

^bP < 0.05, compared with T2W1.

^cP < 0.05, compared with PDW1.

^dP < 0.05 compared with T2*W1.

T1WI: T1-weighted imaging; T2WI: T2-weighted imaging; PDWI: Proton density weighted imaging; T2*WI: T2*-weighted imaging; 3D-CISS: Three-dimensional water imaging sequence.