Table 1 Comparison of clinical data between patients with and without upgrade to malignancy after surgery
From: Contrast-enhanced ultrasound to predict malignant upgrading of atypical ductal hyperplasia
Variable | Entire cohort | Surgical pathology results | P value | |
|---|---|---|---|---|
Malignant | Nonmalignant | |||
Number of lesions | 110 | 53(48.2) | 57(51.8) | |
Mean age (year)a | 49.7 ± 11.6 | 53.0 ± 12.1 | 44.8 ± 9.5 | < 0.001 |
Median size (cm)b | 1.2 (0.8–2.1) | 1.7 (1.0–3.1) | 0.9 (0.7–1.4) | < 0.001 |
Nipple discharge | 0.215 | |||
Absent | 94 (85.5) | 43 (81.1) | 51 (89.5) | |
Present | 16 (14.5) | 10 (18.9) | 6 (10.5) | |
Palpability | 0.213 | |||
Nonpalpable | 31 (28.2) | 12 (22.6) | 19 (33.3) | |
Palpable | 79 (71.8) | 41 (77.4) | 38 (66.7) | |
Biopsy needle | 0.471 | |||
16-Gauge | 48 (43.6) | 25 (47.2) | 23 (40.4) | |
18-Gauge | 6 2(56.4) | 28 (52.8) | 34 (59.6) | |