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Calcifications in benign versus malignant nodules
| USG characteristics | Benign (n=68) | Malignant (n=15) | P |
|---|---|---|---|
| Macrocalcification | |||
| Present | 44 (64.7) | 5 (33.3) | 0.72 |
| Coarse | 8 (11.8) | 3 (20.0) | |
| Egg shell | 15 (22.1) | 1 (6.7) | 0.42 |
| Nodular | 2 (2.9) | - | |
| Microcalcification | |||
| Present | 1 (1.5) | 3 (20.0) | 0.002 (13.6; CI-1.5-121.8) |
| Absent | 67 (98.5) | 12 (80.0) |
USG: Ultrasonography, CI: Confidence interval
