Table 2.
Demography and other characteristics of the two study groups
| Parameter | D1 gastrectomy (n = 34) | D2 gastrectomy (n = 18) | p value |
|---|---|---|---|
| Sex ratio (M:F) | 19:15 | 11:7 | 0.717 |
| Mean (range) age (years) | 54.6 ± 13.30(30–75) | 53.8 ± 11.62 (30–75) | 0.822 |
| Age 50–75 years | 21 (61.8) | 12 (66.7) | |
| Tumour location | |||
| Antropyloric | 32 (94.1) | 13 (72.2) | 0.028 |
| Mid body | 2 (5.9) | 3 (16.7) | 0.209 |
| Proximal body | 0 (0.0) | 2 (11.1) | 0.047 |
| Type of resection | |||
| Distal-partial gastrectomy | 17 (50.0) | 8 (44.4) | 0.703 |
| Distal-subtotal gastrectomy | 15 (44.1) | 4 (22.2) | 0.119 |
| Total gastrectomy | 2 (5.9) | 6 (33.3) | 0.009 |
| Tumour histology | |||
| Intestinal | 22 (64.7) | 13 (72.2) | 0.583 |
| Diffuse | 11 (32.4) | 5 (27.8) | 0.734 |
| Mixed | 1 (2.9) | 0 (0.0) | 0.463 |
| Tumour stage | |||
| pT1a | 1(2.9) | 0(0.0) | 0.463 |
| pT1b | 0(0.0) | 1(5.6) | 0.165 |
| pT2 | 12(35.3) | 9(50.0) | 0.304 |
| pT3 | 11(32.4) | 7(38.9) | 0.637 |
| pT4a | 10(29.4) | 1(5.6) | 0.045 |
| TNM stage | |||
| IA | 1(2.9) | 0(0.0) | 0.463 |
| IB | 7(20.6) | 1(5.6) | 0.153 |
| IIA | 7(20.6) | 4(22.2) | 0.891 |
| IIB | 8(23.5) | 1(5.5) | 0.103 |
| IIIA | 7(20.6) | 8(44.4) | 0.071 |
| IIIB | 1(2.9) | 4(22.2) | 0.025 |
| IIIC | 3(8.8) | 0(0.0) | 0.194 |
| No. of lymph nodes dissected | |||
| Mean ± S. D. | 6.44 ± 5.34 | 21.67 ± 5.30 | 0.01 |
| Range | 0–23 | 14–36 | |
| Node stage | |||
| pN0 | 15(44.1) | 3(16.7) | 0.048 |
| pN1 | 9(26.5) | 1(5.6) | 0.069 |
| pN2 | 7(20.6) | 5(27.8) | 0.558 |
| pN3 | 3(8.8) | 9(50.0) | 0.001 |
Values in parentheses are percentages unless indicated otherwise
pN pathological node metastasis, pT pathological tumour stage