Table 2. Patient characteristics in pancreaticoduodenectomy cohort.

Variables	Xuebijing group (n=60)	Control group (n=60)	P value
Age (y, $\overline{x}\pm s$)	53.7±9.1	51.8±9.6	0.553
BMI (kg/m2, $\overline{x}\pm s$)	21.6±7.4	21.1±8.9	0.314
Sex (n, %)			0.695
Male	40 (66.7%)	42 (70.0%)
Female	20 (33.3%)	18 (30.0%)
Background disease (n, %)
Hypertension	10 (16.7%)	6 (10.0%)	0.283
Diabetes	8 (13.3%)	6 (10.0%)	0.570
Operation time (min, $\overline{x}\pm s$)	400.9±176.8	413.5±143.1	0.098
Intraoperative blood loss (mL, $\overline{x}\pm s$)	217.1±162.3	200.0±126.9	0.306
Diameter of tumor [cm, M (r)]	2.5 (1.0–6.0)	2.25 (0.8–6.0)	0.804
WBC (×109/L, $\overline{x}\pm s$)	7.7±2.5	6.5±1.4	0.700
NE (%, $\overline{x}\pm s$)	67.6±8.8	61.6±8.8	0.973
CRP (mg/L, $\overline{x}\pm s$)	5.7±3.0	4.1±3.0	0.793

BMI, body mass index; WBC, white blood cell; NE%, neutrophil percentage; CRP, C-reactive protein.