Table 1.
Baseline and tumor characteristics of the patients in each group
| Characteristic | Group A (n = 265) | Group B (n = 72) |
| Gender (M/F) (%) | 189 (71.3)/76 (28.7) | 51 (70.8)/21 (29.2) |
| Mean age (yr) | 62.4 ± 9.5 | 63.3 ± 9.3 |
| Size of specimen (cm) | 4.27 ± 1.26 | 4.29 ± 1.48 |
| Pathologic report, n (%) | ||
| TALG | 51 (19.2) | 10 (13.9) |
| TAHG/CIS | 30 (11.3) | 9 (12.5) |
| Adenocarcinoma WD | 96 (36.2) | 24 (33.3) |
| Adenocarcinoma MD | 64 (24.2) | 19 (26.4) |
| Adenocarcinoma PD | 15 (5.7) | 7 (9.7) |
| Signet ring cell type | 8 (3.0) | 3 (4.2) |
| Other tumor1 | 1 (0.4) | 0 |
TALG: Tubular adenoma lower-grade dysplasia; TAHG: Tubular adenoma high-grade dysplasia; CIS: Carcinoma in situ; WD: Well-differentiated; MD: Moderately differentiated; PD: Poorly differentiated.
1
Carcinoid tumor.