Table 1.
Characteristics of patients
| Characteristic | Group 1 (n=276) | Group 2 (n=141) | p-value |
|---|---|---|---|
| Age (yr) | 59.2±11.1 | 58.7±11.9 | 0.664 |
| Sex | |||
| Female | 81 (29.3) | 41 (29.1) | 0.954 |
| Male | 195 (70.7) | 100 (70.9) | |
| Comorbidity | |||
| Cardiovascular | 37 (13.4) | 16 (11.3) | 0.108 |
| Cerebrovascular | 4 (1.4) | 1 (0.7) | |
| Diabetes | 14 (5.1) | 3 (2.1) | |
| Hepatic | 4 (1.4) | 2 (1.4) | |
| Renal | 1 (0.4) | 0 | |
| Pulmonary | 0 | 3 (2.1) | |
| Thyroid | 3 (1.1) | 2 (1.4) | |
| Combined disease | 14 (5.1) | 2 (1.4) | |
| Previous operation history | |||
| Gastrectomy | 3 (1.1) | 7 (5.0) | 0.060 |
| Lower anterior resection | 2 (0.7) | 0 | |
| Hysterectomy | 1 (0.4) | 0 | |
| Type of surgery | |||
| OTG | 253 (91.7) | 128 (90.8) | 0.668 |
| LATG | 22 (8.0) | 11 (7.8) | |
| OTG with Whipple’s operation | 1 (0.4) | 2 (1.4) | |
| Hospital stay (day) | 12.4±9.9 | 11.3±4.8 | 0.107 |
| Depth of invasion | |||
| T1a | 72 (26.1) | 22 (15.6) | 0.001 |
| T1b | 92 (33.3) | 40 (28.4) | |
| T2 | 25 (9.1) | 19 (13.5) | |
| T3 | 52 (18.8) | 22 (15.6) | |
| T4a | 35 (12.7) | 38 (27.0) | |
| Lymph node metastasis | |||
| N0 | 205 (74.3) | 90 (63.8) | 0.040 |
| N1 | 19 (6.9) | 19 (13.5) | |
| N2 | 27 (9.8) | 12 (8.5) | |
| N3 | 25 (9.1) | 20 (14.2) | |
| Stage | |||
| IA | 156 (56.5) | 59 (41.8) | 0.085 |
| IB | 26 (9.4) | 16 (11.3) | |
| IIA | 28 (10.1) | 15 (10.6) | |
| IIB | 15 (5.4) | 14 (9.9) | |
| IIIA | 15 (5.4) | 8 (5.7) | |
| IIIB | 21 (7.6) | 14 (9.9) | |
| IIIC | 15 (5.4) | 15 (10.6) | |
| Harvested lymph nodes | 44.6±17.3 | 46.6±20.1 | 0.280 |
| Chemotherapy | |||
| Yes | 61 (22.1) | 51 (36.2) | 0.002 |
| No | 215 (77.9) | 90 (63.8) |
Values are presented as number (%) or mean±standard deviation. Stage grouping by 7th edition of the American Joint Committee on Cancer classification. OTG, open total gastrectomy; LATG, laparoscopic assisted total gastrectomy.