Impact of preoperative inflammatory and nutritional markers on the prognosis of patients with peritoneal metastasis of colorectal cancer

Table 1 Characteristics of patients with peritoneal metastases of colorectal cancer

Variables	Number of patients
Age (years), n (%)
≥ 60	64 (48.2)
< 60	69 (51.8)
Sex, n (%)
Male	89 (66.9)
Female	66 (33.1)
T category, n (%)
T0-3	56 (42.2)
T4	77 (57.8)
N category, n (%)
N0-1	72 (55.6)
N2	59 (44.4)
Location of tumor, n (%)
Right side of the colon	56 (42.2)
Left side of the colon	77 (57.8)
BMI (kg/m2), n (%)
≥ 18.5	24 (18.1)
< 18.5	109 (81.9)
PCI, n (%)
≥ 20	51 (38.3)
< 20	82 (61.6)
Histology, n (%)
Adenocarcinoma	105 (78.9)
Mucinous adenocarcinoma and signet-ring cell carcinoma	28 (21.1)
CRS, n (%)
CC 0/1	57 (42.8)
CC 2	76 (57.2)
HIPEC, n (%)
Yes	35 (26.4)
No	98 (73.6)
NLR, n (%)
≥ 3.1	54 (40.6)
< 3.1	79 (59.4)
Hb, n (%)
Normal	94 (70.6)
Low	39 (29.4)
Albumin (g/L), n (%)
≥ 35	99 (74.5)
< 35	34 (25.5)

BMI: Body mass index; CRS: Cytoreductive surgery; HIPEC: Hyperthermic intraperitoneal chemotherapy; PCI: Peritoneal cancer index; NLR: Neutrophil-to-lymphocyte ratio; Hb: Hemoglobin.