Table 3 Diagnostic performance of 3D SPACE and routine MR imaging protocol in the detection of cartilage lesions for all readers
From: Diagnostic performance of 3D SPACE for comprehensive knee joint assessment at 3 T
Reader 1 | Reader 2 | Reader 3 | |||||
|---|---|---|---|---|---|---|---|
2D | 3D | p-value | 2D | 3D | p-value | Complete exam | |
Overall cartilage | |||||||
Sensitivity | 71 [48–89] (15/21) | 76 [53–92] (16/21) | 1,000 | 81 [58–95] (17/21) | 81 [58–95] (17/21) | 1,000 | 81 [58–95] (17/21) |
Specificity | 94 [90–96] (205/219) | 95 [91–97] (208/219) | 0.6072 | 99 [96–100] 216/219 | 95 [92–98] (209/219) | 0.0923 | 99 [96–100] (216/219) |
Accuracy | 92 [87–95] (220/240) | 93 [89–96] (224/240) | 0.4807 | 97 [94–99] (233/240) | 94 [90–97] (226/240) | 0.1185 | 97 [94–99] (233/240) |
Tibiofemoral compartment | |||||||
Sensitivity | 64 [31–89] (7/11) | 64 [31–89] (7/11) | 1,000 | 73 [39–94] (8/11) | 73 [39–94] (8/11) | 1,000 | 73 [43–90] (8/11) |
Specificity | 95 [91–98] (142/149) | 97 [92–99] (144/149) | 0.7539 | 98 [94–100] (146/149) | 98 [94–100] (146/149) | 1,000 | 98 [94–99] (146/149) |
Accuracy | 93 [88–97] (149/160) | 94 [90–97] (151/160) | 0.7744 | 96 [92–100] (154/160) | 96 [92–99] (154/160) | 1,000 | 96 [92–98] (154/160) |
Patellofemoral compartment | |||||||
Sensitivity | 80 [44–97] (8/10) | 90 [55–100] (9/10) | 1,000 | 90 [55–100] (9/10) | 90 [55–100] (9/10) | 1,000 | 90 [60–98] (9/10) |
Specificity | 90 [80–96] (63/70) | 91 [82–97] (64/70) | 1,000 | 100 [92–100] (70/70) | 90 [80–96] (63/70) | 0.0156* | 100 [95–100] (70/70) |
Accuracy | 89 [80–95] (71/80) | 91 [83–96] (73/80) | 0.6875 | 99 [93–100] (79/80) | 90 [81–96] (72/80) | 0.0156* | 99 [93–100] (79/80) |