Table 1.
Patient characteristics according to surgical procedure
| LPG‐DFT (n = 51) | LSTG (n = 110) | P † | |
|---|---|---|---|
| Age (years) * | 71 (61–77) | 63 (55–69) | 0·002‡ |
| Sex ratio (M : F) | 36 : 15 | 77 : 33 | 1·000 |
| BMI (kg/m 2 ) * | 23·2 (21·0–25·2) | 22·7 (20·6–24·7) | 0·328‡ |
| Additional surgery after ESD | 19 (37) | 20 (18·2) | 0·011 |
| Tumour size (mm) * | 25 (17·5–38·5) | 25 (18–38·7) | 0·996‡ |
| Pathological margin (mm) * | 26 (20·5–36·0) | 13 (8·3–18·0) | < 0·001‡ |
| Pathological stage | 0·204 | ||
| IA | 38 (75) | 92 (83·6) | |
| IB | 8 (16) | 14 (12·7) | |
| IIA | 2 (4) | 3 (2·7) | |
| IIB | 3 (6) | 1 (0·9) | |
| Adjuvant chemotherapy | 3 (6) | 1 (0·9) | 0·092 |
Values in parentheses are percentages unless indicated otherwise;
*
values are median (i.q.r.). LPG‐DFT, laparoscopic proximal gastrectomy with double‐flap technique; LSTG, laparoscopic subtotal gastrectomy; ESD, endoscopic submucosal dissection.
†
Fisher's exact test, except
‡
Mann–Whitney U test.