Clinical utility of the platelet-lymphocyte ratio as a predictor of postoperative complications after radical gastrectomy for clinical T2-4 gastric cancer

Table 1 Demographic and preoperative clinical characteristics of 312 patients

Variables	Number of patients
Age, median (range)	66 (20-96)
Sex
Male	233
Female	79
Diabetes mellitus
Absent	273
Present	39
Cardiac comorbidities
Absent	217
Present	95
Pulmonary comorbidities
Absent	292
Present	20
Preoperative symptoms
Absent	172
Present	140
Preoperative body mass index, mean ± SD	21.9 ± 3.2
Tumor location
Entire	8
Upper third	68
Middle third	120
Lower third	116
Tumor size (mm)
< 50	176
≥ 50	136
UICC cT factor
cT1	0
cT2	150
cT3	95
cT4	67
UICC cN factor
cN0	157
cN1	93
cN2	53
cN3	9
UICC clinical stage
IB	98
IIA	71
IIB	69
IIIA	55
IIIB	14
IIIC	5

UICC: Union for International Cancer Control.