Table 3.
Postoperative pathological results for patients in two cohorts
|
OGC (n = 48)
|
3DLAGC (n = 36)
|
P
value
|
Pathological type, n (%) | 0.521 | ||
Well differentiated | 24 (50.0) | 21 (58.3) | |
Moderately differentiated | 19 (39.6) | 10 (27.8) | |
Poorly differentiated (including signet-ring cell carcinoma) | 5 (10.4) | 5 (13.9) | |
Tumor size (mm) | 38.67 (30.51) | 35.22 (30.93) | 0.612 |
TNM, n (%) | 0.084 | ||
Ⅰ | 18 (37.5) | 15 (41.7) | |
Ⅱa | 11 (22.9) | 8 (22.2) | |
Ⅱb | 9 (18.8) | 1 (2.8) | |
Ⅲa | 4 (8.3) | 9 (25.0) | |
Ⅲb | 4 (8.3) | 3 (8.3) | |
Ⅲc | 2 (4.2) | 0 (0.0) | |
Depth of tumor invasion, n (%) | 0.826 | ||
T1 | 10 (20.8) | 9 (25.0) | |
T2 | 9 (18.8) | 7 (19.4) | |
T3 | 17 (35.4) | 13 (36.1) | |
T4 | 10 (25.0) | 5 (19.5) | |
Lymph nodes metastases, n (%) | 0.205 | ||
N0 | 34 (70.8) | 20 (55.6) | |
N1 | 6 (12.5) | 8 (22.2) | |
N2 | 2 (4.2) | 5 (13.9) | |
N3 | 6 (12.5) | 3 (8.3) | |
Number of positive lymph nodes (n) | 2.35 (5.28) | 1.56 (2.84) | 0.413 |
Total number of lymph nodes retrieved (n) | 10.73 (6.82) | 14.00 (7.17) | 0.036 |
All continuous variables were described by mean ± SD; Enumeration data were presented by percentage (%). OGC: Open gastrectomy for carcinoma in the remnant stomach; 3DLAGC: 3D laparoscopic assisted gastrectomy for carcinoma in the remnant stomach; TNM: Pathological staging (pTNM) according to American Joint Committee on Cancer (AJCC) TNM Staging Classification for Carcinoma of the Stomach (8th ed).