Table 1.
A concise overview of the comprehensive patient demographics and characteristics of breast lesions.
| Clinical parameter | Training_ALL (%) | Benign (%) | Malignant (%) | pvalue | Testing_ALL (%) | Benign (%) | Malignant (%) | P value |
|---|---|---|---|---|---|---|---|---|
| Age (years) | 50.03 ± 12.81 | 44.68 ± 11.72 | 54.89 ± 11.81 | < 0.001 | 49.86 ± 13.28 | 45.71 ± 12.52 | 53.80 ± 12.87 | < 0.001 |
| Maxdiameter (cm) | 1.93 ± 1.00 | 1.58 ± 0.99 | 2.26 ± 0.89 | < 0.001 | 2.05 ± 1.16 | 1.66 ± 1.21 | 2.42 ± 0.99 | < 0.001 |
| Family_history | 1 | 0.042 | ||||||
| No | 260 (97.38) | 124 (97.64) | 136 (97.14) | 109 (94.78) | 56 (100.00) | 53 (89.83) | ||
| Yes | 7 (2.62) | 3 (2.36) | 4 (2.86) | 6 (5.22) | null | 6 (10.17) | ||
| Marriage | 0.008 | 0.394 | ||||||
| No | 8 (3.00) | 8 (6.30) | null | 7 (6.09) | 5 (8.93) | 2 (3.39) | ||
| Yes | 259 (97.00) | 119 (93.70) | 140 (100.00) | 108 (93.91) | 51 (91.07) | 57 (96.61) | ||
| Fertility | 0.002 | 0.394 | ||||||
| No | 10 (3.75) | 10 (7.87) | null | 7 (6.09) | 5 (8.93) | 2 (3.39) | ||
| Yes | 257 (96.25) | 117 (92.13) | 140 (100.00) | 108 (93.91) | 51 (91.07) | 57 (96.61) | ||
| Menopause | < 0.001 | 0.015 | ||||||
| No | 149 (55.81) | 90 (70.87) | 59 (42.14) | 68 (59.13) | 40 (71.43) | 28 (47.46) | ||
| Yes | 118 (44.19) | 37 (29.13) | 81 (57.86) | 47 (40.87) | 16 (28.57) | 31 (52.54) | ||
| Shape | 0.069 | 1 | ||||||
| Regular | 31 (11.61) | 20 (15.75) | 11 (7.86) | 15 (13.04) | 7 (12.50) | 8 (13.56) | ||
| Irregular | 236 (88.39) | 107 (84.25) | 129 (92.14) | 100 (86.96) | 49 (87.50) | 51 (86.44) | ||
| Margin | < 0.001 | < 0.001 | ||||||
| Smooth | 104 (38.95) | 81 (63.78) | 23 (16.43) | 49 (42.61) | 36 (64.29) | 13 (22.03) | ||
| Spiculated | 50 (18.73) | 17 (13.39) | 33 (23.57) | 22 (19.13) | 7 (12.50) | 15 (25.42) | ||
| Angular | 31 (11.61) | 3 (2.36) | 28 (20.00) | 8 (6.96) | null | 8 (13.56) | ||
| Indistinct | 82 (30.71) | 26 (20.47) | 56 (40.00) | 36 (31.30) | 13 (23.21) | 23 (38.98) | ||
| Echo_pattern | 0.007 | 0.625 | ||||||
| Hypoechoic | 226 (84.64) | 116 (91.34) | 110 (78.57) | 102 (88.70) | 51 (91.07) | 51 (86.44) | ||
| Complex | 41 (15.36) | 11 (8.66) | 30 (21.43) | 13 (11.30) | 5 (8.93) | 8 (13.56) | ||
| Calcifcation | 0.01 | 0.003 | ||||||
| No | 140 (52.43) | 73 (57.48) | 67 (47.86) | 60 (52.17) | 37 (66.07) | 23 (38.98) | ||
| Macro | 28 (10.49) | 18 (14.17) | 10 (7.14) | 15 (13.04) | 8 (14.29) | 7 (11.86) | ||
| Micro | 99 (37.08) | 36 (28.35) | 63 (45.00) | 40 (34.78) | 11 (19.64) | 29 (49.15) | ||
| Posterior_acoustic_features | < 0.001 | 0.006 | ||||||
| No change | 176 (65.92) | 110 (86.61) | 66 (47.14) | 84 (73.04) | 48 (85.71) | 36 (61.02) | ||
| Enhance | 35 (13.11) | 4 (3.15) | 31 (22.14) | 10 (8.70) | 1 (1.79) | 9 (15.25) | ||
| Decrease | 56 (20.97) | 13 (10.24) | 43 (30.71) | 21 (18.26) | 7 (12.50) | 14 (23.73) | ||
| Doppler_blood_flow | < 0.001 | 0.004 | ||||||
| No | 95 (35.58) | 64 (50.39) | 31 (22.14) | 51 (44.35) | 33 (58.93) | 18 (30.51) | ||
| Yes | 172 (64.42) | 63 (49.61) | 109 (77.86) | 64 (55.65) | 23 (41.07) | 41 (69.49) | ||
| BIRADS | < 0.001 | < 0.001 | ||||||
| 4a | 85 (31.84) | 78 (61.42) | 7 (5.00) | 40 (34.78) | 35 (62.50) | 5 (8.47) | ||
| 4b | 77 (28.84) | 30 (23.62) | 47 (33.57) | 40 (34.78) | 15 (26.79) | 25 (42.37) | ||
| 4c | 105 (39.33) | 19 (14.96) | 86 (61.43) | 35 (30.43) | 6 (10.71) | 29 (49.15) | ||
| Tumor_position | 0.207 | 0.762 | ||||||
| Upper outer quadrant | 143 (53.56) | 66 (51.97) | 77 (55.00) | 65 (56.52) | 33 (58.93) | 32 (54.24) | ||
| Lower outer quadrant | 42 (15.73) | 16 (12.60) | 26 (18.57) | 17 (14.78) | 7 (12.50) | 10 (16.95) | ||
| Upper inner quadrant | 58 (21.72) | 33 (25.98) | 25 (17.86) | 23 (20.00) | 10 (17.86) | 13 (22.03) | ||
| Lower inner quadrant | 22 (8.24) | 10 (7.87) | 12 (8.57) | 4 (3.48) | 3 (5.36) | 1 (1.69) | ||
| Other | 2 (0.75) | 2 (1.57) | null | 6 (5.22) | 3 (5.36) | 3 (5.08) |