Medial meniscus Negative Positive 6 40 13.0% 87.0% 5 23 17.9% 82.1% 11 63 14.9% 85.1% Total 46 100.0% 28 100.0% 74 100.0% Med. men. neagtive Med. men. positive Medial meniscus Negative Positive 4 13 23.5% 76.5% 7 50 12.3% 87.7% 11 63 14.9% 85.1% Total 17 100.0% 57 100.0% 74 100.0% n %n n %n n %n n %n n %n n %n n %n n %n n %n n %n n %n n %n © Pol J Radiol, 2011; 76(1): 30-40 Aydin H et al – Is the quantitative diffusion-weighted MR Imaging… Table 5A,B. Results of ADC mapping with different b-values for medial and lateral meniscal tears. A Negative Positive b=50 Total Sensitivity=%37 Specificity=%45 PPV=0.82 NPV=0.13 Fisher's test P=0.738 A Negative Positive b=400 Total Sensitivity=%79 Specificity=%64 PPV=0.88 NPV=0.24 Fisher's test P=0.263 40 )n35 ( ts30 ite25 n a fp20 r15 o e b10 m uN 5 0 50 )45 n (s40 tn35 it30 e a fp25 ro20 eb15 m10 N 5 u 0 B Negative Positive b=50 Total Sensitivity=%45 Specificity=%63 PPV=0.18 NPV=0.87 Fisher's test P=0.738 B Negative Positive b=400 Total Sensitivity=%64 Specificity=%21 PPV=0.12 NPV=0.76 Fisher's test P=0.263 40 )n35 ( ts30 ite25 n a fp20 r15 o e b10 m uN 5 0 50 )45 n (s40 tn35 it30 e a fp25 ro20 eb15 m10 N 5 u 0 Lateral meniscus Negative Positive 40 6 87.0% 13.0% 23 5 82.1% 17.9% 63 11 85.1% 14.9% Lateral meniscus Negative Positive 13 4 76.5% 23.5% 50 7 87.7% 12.3% 63 11 85.1% 14.9% Lat. men. neagtive Lat. men. positive Total 46 100.0% 28 100.0% 74 100.0% Total 17 100.0% 57 100.0% 74 100.0% 37 Negative b=50 Positive Negative b=50 Positive Table 6A,B. Results of ADC mapping with different b-values for medial and lateral meniscal tears. Med. men. neagtive Med. men. positive Lat. men. neagtive Lat. men. positive Negative b=400 Positive Negative b=400 Positive