Table 1 Demographic and clinical features of patients
From: Impact of retrieved lymph node count on short-term complications in patients with gastric cancer
| Characteristics | N = 1487 |
|---|---|
| Age (years) | 60.4 ± 17.3 |
| Gender (n) | |
| Male | 1089 |
| Female | 398 |
| BMI (kg/m2) | 23.0 ± 3.5 |
| Preoperative comorbidities (n) | |
| Previous abdominal surgery | 209 |
| Diabetes mellitus | 131 |
| Hypertension | 488 |
| Preoperative laboratory data | |
| Serum albumin (g/L) | 39.4 ± 3.3 |
| CRP (g/L) | 6.0 ± 12.4 |
| ASA ≥ 3 | 884 |
| Mode of surgical approach (n) | |
| Laparoscopic | 76 |
| Open | 1411 |
| Type of resection (n) | |
| Distal gastrectomy | 617 |
| Proximal gastrectomy | 163 |
| Total gastrectomy | 707 |
| Operation time (min) | 232.3 ± 61.8 |
| Blood loss (ml) | 221.8 ± 204.5 |
| Tumor invasion | |
| T1–2 | 631 |
| T3–4 | 856 |
| Tumor site | |
| Cardia/fundus | 452 |
| Body | 381 |
| Pylorus/antrum | 654 |
| RLN count | 25.1 ± 9.1 |
| Lymph node metastasis | |
| Positive | 864 |
| Negative | 623 |
| LNR | 0.17 ± 0.24 |
| LODDS | − 0.96 ± 0.75 |
| pTNM stage I/II/III/IV | 506/368/597/16 |
| Lauren subtype | |
| Intestinal | 620 |
| Diffuse | 428 |
| Mixed | 401 |
| Unknown | 38 |
| Postoperative complications | |
| Positive | 435 |
| Negative | 1052 |
| Postoperative stay (days) | 12.0 ± 8.1 |
| Total hospital charges (104¥) | 7.5 ± 3.5 |