Table 3.
Clinicopathologic characteristics of resected patients (n = 148).
| Variable(s) |
Total n = 148 |
Pretreatment SUV ≤ 7.5 n = 78 |
Pretreatment SUV > 7.5 n = 70 |
p-value |
|---|---|---|---|---|
| T Stage, n (%) | 0.32 | |||
| T0 | 6 (4) | 2 (2) | 4 (6) | |
| T1 | 12 (8) | 9 (12) | 3 (4) | |
| T2 | 27 (18) | 15 (19) | 12 (17) | |
| T3 | 103 (70) | 52 (67) | 51 (73) | |
| N Stage, n (%) | 0.21 | |||
| N0 | 85 (57) | 41 (53) | 44 (63) | |
| N1 | 63 (43) | 37 (47) | 26 (37) | |
| Median tumor size, cm (IQR) | 2.5 (1.6) | 2.6 (1.5) | 2.5 (1.7) | 0.66 |
| Poorly to undifferentiated tumor, n (%) | 25 (17) | 8 (10) | 17 (24) | 0.03 |
| Pathologic response, n (%)¥ | 0.92 | |||
| CR or Near CR | 27 (18) | 14 (18) | 13 (19) | |
| PR or no response | 121 (82) | 64 (82) | 57 (81) | |
| Perineural invasion, n (%) | 100 (68) | 58 (74) | 42 (60) | 0.06 |
| Lymphovascular invasion, n (%) | 39 (26) | 21 (27) | 18 (26) | 0.88 |
| Positive margin, n (%) | 22 (15) | 11 (14) | 11 (16) | 0.78 |
| Elevated postoperative CA19-9, n (%) | 37 (25) | 19 (24) | 18 (26) | 0.55 |
| Adjuvant therapy, n (%) | 99 (68) | 62 (82) | 37(53) | <0.001 |
¥
CR, Complete response, PR, Partial response.