Anemia after gastrectomy for early gastric cancer: Long-term follow-up observational study

Table 1 Patients characteristics (n = 161)

Variable	Value n (%)
Age (yr)1	56.2 ± 10.9
Gender
Male	113 (70.2)
Female	48 (29.8)
Preoperative hemoglobin (g/dL)1	14.2 ± 1.1
Male	14.6 ± 0.9
Female	13.2 ± 0.8
Combined disease
Hypertension	20 (12.4)
Diabetes mellitus	19 (11.8)
Pulmonary disease	2 (1.2)
Coronary artery disease	2 (1.2)
Chronic liver disease	2 (1.2)
Type of operation
Billroth I subtotal gastrectomy	39 (24.2)
Billroth II subtotal gastrectomy	90 (55.9)
Total gastrectomy	32 (19.9)
Nodal Stage
N0	143 (88.8)
N1	15 (9.4)
N2	2 (1.2)
N3	1 (0.6)

¹Data are presented as mean ± SD.