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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

  1. BMI body mass index, CRP C-reactive protein, ASA American Society of Anesthesiologists, RLNs retrieved lymph nodes, LNR lymph node ratio, LODDS log odds of positive lymph nodes