Table 4 Effect of image-related factors specifically compression levels.
Compression level – image file size | |||||||
|---|---|---|---|---|---|---|---|
350 KB | 300 KB | 250 KB | 200 KB | 150 KB | |||
SiDRP | Value (95% CI) | AUC | 0.936 (0.927–0.944) | 0.921 (0.908–0.932) | 0.900 (0.885–0.913) | 0.896 (0.881–0.910) | 0.891 (0.876–0.905) |
P value for AUC comparison | Reference | 0.261 | <0.001 | <0.001 | <0.001 | ||
Sensitivity | 90.5% (87.3–93.1%) | 85.9% (82.2–89.0%) | 83.5% (79.7–86.9%) | 85.6% (81.9–88.8%) | 90.5% (87.3–93.1%) | ||
Specificity | 91.9% (91.6–92.2%) | 92.5% (92.3–92.8%) | 88.8% (88.5–89.2%) | 85.3% (84.9–85.7%) | 72.4% (71.9–72.8%) | ||
