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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