Table 3 Classification functions for detection of Palmer and Atzei lesions. Indicators of diagnostic accuracy for TFCC lesions in standard planes and radial plane view. Data is reported as percentages (numerator/denominator)
Reader 1 | Reader 2 | |||||
|---|---|---|---|---|---|---|
MPRStandard | MPRStyloid | MPRFovea | MPRStandard | MPRStyloid | MPRFovea | |
Central Palmer lesions (n = 73) | ||||||
Specificity | 97.0 (32/33) | 97.0 (32/33) | 97.0 (32/33) | 93.9 (31/33) | 93.9 (31/33) | 93.9 (31/33) |
Sensitivity | 93.2 (68/73) | 94.5 (69/73) | 94.5 (69/73) | 91.8 (67/73) | 90.4 (66/73) | 90.4 (66/73) |
Accuracy | 94.3 (100/106) | 95.3 (101/106) | 95.3 (101/106) | 92.5 (98/106) | 91.5 (97/106) | 91.5 (97/106) |
Positive predictive value | 98.6 (68/69) | 98.6 (69/70) | 98.6 (69/70) | 97.1 (67/69) | 97.1 (66/68) | 97.1 (66/68) |
Negative predictive value | 86.5 (32/37) | 88.9 (32/36) | 88.9 (32/36) | 83.8 (31/37) | 81.6 (31/38) | 81.6 (31/38) |
Peripheral Palmer lesions (n = 47) | ||||||
Specificity | 96.6 (57/59) | 98.3 (58/59) | 98.3 (58/59) | 93.2 (55/59) | 98.3 (58/59) | 98.3 (58/59) |
Sensitivity | 70.2 (33/47) | 89.4 (42/47) | 85.1 (40/47) | 72.3 (34/47) | 91.5 (43/47) | 87.2 (41/47) |
Accuracy | 84.9 (90/106) | 94.3 (100/106) | 92.5 (98/106) | 84.0 (89/106) | 95.3 (101/106) | 93.4 (99/106) |
Positive predictive value | 94.3 (33/35) | 97.7 (42/43) | 97.6 (40/41) | 89.5 (34/37) | 97.7 (43/44) | 97.6 (41/42) |
Negative predictive value | 80.3 (57/71) | 92.1 (58/63) | 89.2 (58/65) | 80.9 (55/68) | 93.5 (58/62) | 90.6 (58/64) |
Atzei lesions (n = 56) | ||||||
Specificity | 96.0 (48/50) | 98.0 (49/50) | 98.0 (49/50) | 94.0 (47/50) | 98.0 (49/50) | 98.0 (49/50) |
Sensitivity | 78.6 (44/56) | 94.6 (53/56) | 91.1 (51/56) | 80.4 (45/56) | 94.6 (53/56) | 89.3 (50/56) |
Accuracy | 86.8 (92/106) | 96.2 (102/106) | 94.3 (100/106) | 86.8 (92/106) | 96.2 (102/106) | 93.4 (99/106) |
Positive predictive value | 95.7 (44/46) | 98.1 (53/54) | 98.1 (51/52) | 93.8 (45/48) | 98.1 (53/54) | 98.0 (50/51) |
Negative predictive value | 80.0 (48/60) | 94.2 (49/52) | 90.7 (49/54) | 81.0 (47/58) | 94.2 (49/52) | 89.1 (49/55) |