Table 1. Correlation between clinicopathologic features and SGR.
| Result, n = 958 | Mean SGR 1 (x10-2) | p-value 2 | Low SGR1 (x10-2) (<0.59) | High SGR1 (x10-2) (>0.59) | p-value 3 | ||
|---|---|---|---|---|---|---|---|
| Age at diagnosis | ≤30 | 11 | 3.26 | 0.272 | 3 (0.6) | 8 (1.7) | 0.626 |
| 31–40 | 129 | 1.04 | 69 (14.4) | 60 (12.6) | |||
| 41–50 | 349 | 1.00 | 178 (37.2) | 171 (35.8) | |||
| 51–60 | 282 | 1.21 | 138 (28.8) | 144 (30.1) | |||
| 61–70 | 157 | 1.14 | 78 (16.3) | 79 (16.5) | |||
| 71≤ | 29 | 1.09 | 13 (2.7) | 16 (3.3) | |||
| US interval (days) | 8–18 | 232 | 1.41 | 0.069 | 127 (26.5) | 105 (22.0) | 0.333 |
| 19–28 | 277 | 1.32 | 131 (27.3) | 146 (30.5) | |||
| 29–40 | 218 | 0.78 | 111 (23.2) | 107 (22.4) | |||
| 41 - | 230 | 0.91 | 110 (23.0) | 120 (25.1) | |||
| 1 st US size (cm) | ≤ 1 | 170 | 2.10 | < 0.001 | 77 (16.1) | 93 (19.5) | 0.104 |
| >1, ≤ 1.5 | 258 | 1.34 | 119 (24.8) | 139 (29.1) | |||
| >1.5, ≤ 2 | 217 | 0.98 | 112 (23.4) | 105 (22.0) | |||
| > 2 | 312 | 0.50 | 171 (35.1) | 141 (29.5) | |||
| Axillary Lymph Node status | Negative | 621 | 1.02 | 0.170 | 332 (69.3) | 289 (60.5) | 0.004 |
| Positive | 336 | 1.30 | 147 (30.7) | 189 (39.5) | |||
| Tumor Grade (n = 895) | Grade 1,2 | 478 | 1.09 | 0.735 | 263 (58.4) | 215 (48.3) | 0.002 |
| Grade 3 | 417 | 1.16 | 187 (41.6) | 230 (51.7) | |||
| Lymphovascular Invasion (n = 884) | Negative | 550 | 0.85 | 0.006 | 298 (67.3) | 252 (57.1) | 0.002 |
| Positive | 334 | 1.40 | 145 (32.7) | 189 (42.9) | |||
| Ki-67 (n = 941) | < 10% | 733 | 1.09 | 0.650 | 377 (80.0) | 356 (75.7) | 0.112 |
| ≥ 10% | 208 | 1.19 | 94 (20.0) | 114 (24.3) | |||
| Hormone Receptor | Positive | 697 | 1.18 | 0.330 | 354 (73.9) | 343 (71.8) | 0.455 |
| Negative | 260 | 0.96 | 125 (26.1) | 135 (28.2) | |||
| Subtype (n = 952) | Luminal | 697 | 1.18 | 0.627 | 354 (74.4) | 343 (72.1) | 0.569 |
| HER2 | 67 | 0.99 | 34 (7.1) | 32 (6.7) | |||
| TNBC | 189 | 0.95 | 88 (18.5) | 101 (21.2) |
1 SGR Specific Growth Rate, US Ultrasonography
2 p values are from T-test & ANOVA test
3 p values are from χ2 test