Development of a clinical nomogram for prediction of response to neoadjuvant chemotherapy in patients with advanced gastric cancer

Table 4 Postoperative complications after neoadjuvant chemotherapy (Clavien-Dindo classification)

Complication	Grade 1, n = 2 (%)	Grade 2, n = 43 (%)	Grade 3a, n = 5 (%)	Grade 3b, n = 0 (%)	Grade 4a, n = 0 (%)	Grade 4b, n = 0 (%)	Grade 5, n = 1 (%)
Pulmonary infection/pleural effusion	0	31 (72.09)	4 (80.00)	0	0	0	0
Incision infection	2 (100)	0	0	0	0	0	0
Intraperitoneal hemorrhage	0	0	0	0	0	0	1 (100)
Digestive tract hemorrhage	0	2 (4.65)	0	0	0	0	0
Anastomotic leakage	0	0	1 (20.00)	0	0	0	1 (100)
Duodenal stump fistula	0	2 (4.65)	0	0	0	0	0
Gastroplegia	0	3 (6.98)	0	0	0	0	0
Intestinal obstruction	0	3 (6.98)	0	0	0	0	0
Peritoneal effusion/abscess formation	0	4 (9.30)	0	0	0	0	1 (100)
Lymphatic leakage	0	1 (2.33)	0	0	0	0	0
Urinary tract infection	0	3 (6.98)	0	0	0	0	0