Table 3 Comparison of postoperative complications in gastric cancer undergoing laparoscopic surgery with low and high CONUT score
Postoperative complications | All (N = 309) | CONUT< 2.5 (N = 214) | CONUT> 2.5 (N = 95) | P value |
|---|---|---|---|---|
Overall complications | 91 (29.4) | 41 (19.2) | 50 (52.6) | < 0.001 |
Mild complications (grade I to II) | 42 (13.6) | 17(7.9) | 25 (26.3) | < 0.001 |
 Fever> 38.5 °C after surgery | 9 (2.9) | 4 (1.9) | 5 (5.3) | 0.204 |
 Incision infection | 5 (1.6) | 2 (0.9) | 3 (3.2) | 0.347 |
 TPN> 2 weeks | 10 (3.2) | 4 (1.9) | 6 (6.3) | 0.091 |
 Postoperative blood transfusion>  2 U | 5 (1.6) | 2 (0.9) | 3 (3.2) | 0.347 |
 Gastroplegia | 2 (0.6) | 1 (0.5) | 1 (1.1) | 0.521 |
 Early postoperative bowel obstruction | 10 (3.2) | 4 (1.9) | 6 (6.3) | 0.091 |
 Urinary tract infection | 1 (0.3) | 0 (0.0) | 1 (1.1) | 0.307 |
Major complications (grade III to IV) | 70 (22.7) | 40 (18.7) | 30 (31.6) | 0.013 |
 Postoperative active haemorrhage | 16 (5.2) | 10 (4.7) | 6 (6.3) | 0.548 |
 Abdominal/pelvic effusion | 7 (2.3) | 3 (1.4) | 4 (4.2) | 0.264 |
 Intra-abdominal abscess | 17 (5.5) | 11 (5.1) | 6 (6.3) | 0.676 |
 Anastomotic leakage | 9 (2.9) | 5 (2.3) | 4 (4.2) | 0.591 |
 Anastomotic stenosis | 4 (1.3) | 3 (1.4) | 1 (1.1) | 0.802 |
 Duodenal stump fistula | 9 (2.9) | 6 (2.8) | 3 (3.2) | 0.864 |
 Septic shock | 3 (1.0) | 0 (0.0) | 3 (3.2) | 0.028 |
 Single organ dysfunction | 4 (1.3) | 2 (0.9) | 2 (2.1) | 0.768 |
 MODS | 1 (0.3) | 0 (0.0) | 1 (1.1) | 0.307 |
Dead cases (grade V) | 1 (0.3) | 0 (0.0) | 1 (1.1) | 0.307 |
Surgical site infection, SSI | 25 (8.1) | 13 (6.1) | 12 (12.6) | 0.051 |
 Surface incisional infection | 5 (1.6) | 2 (0.9) | 3 (3.2) | 0.347 |
 Deep space infection | 20 (6.5) | 11 (5.1) | 9 (9.5) | 0.153 |
Respiratory complications | 20 (6.5) | 8 (3.7) | 12 (12.6) | 0.003 |
Cardiovascular complications | 7 (2.3) | 3 (1.4) | 4 (4.2) | 0.264 |
Postoperative stay, days | 13.6 ± 0.5 | 11.6 ± 0.5 | 14.1 ± 0.7 | 0.006 |