Table 6.
Accuracy of SPECT imaging for distinguishing single gland from sporadic MGD
| SGD vs. MGD | |||||||
|---|---|---|---|---|---|---|---|
| Statistic and disease | Early images | Late images | Subtract on images | SPECT images | Early and late images | Planar images | All images |
| Sensitivity (%) | |||||||
| SGD | 74 (303/400)* | 87 (355/409)* | 88 (360/409)* | 90 (369/409)* | 90 (370/409)* | 96 (392/409)* | 90 (369/409)* |
| MGD | 63 (79/125) | 65 (81/125) | 54 (68/125) | 59 (74/125) | 61 (76/125) | 63 (79/125) | 66 (82/125) |
| Specificity (%) | |||||||
| SGD | 93 (433/464) | 92 (427/464) | 94 (435/464) | 84 (390/464) | 90 (419/464) | 89 (410/464) | 98 (453/464)* |
| MGD | 82 (9/11) | 82 (9/11) | 73 (8/11) | 82 (9/11) | 82 (9/11) | 64 (7/11) | 73 (8/11) |
| Accuracy (%) | |||||||
| SGD | 84 (736/873)* | 90 (782/873)* | 91 (795/873)* | 87 (759/873)* | 90 (789/873)* | 92 (802/873)* | 94 (822/873) |
| MGD | 65 (88/136) | 66 (90/136) | 56 (76/136) | 61 (83/136) | 63 (85/136) | 63 (86/136) | 66 (90/136) |
Modified form ref. [75]
MGD multiglandular disease, SGD single gland disease
*p < 0.05 for comparison with data for MGD