Postoperative body weight change and its influencing factors in patients with gastric cancer

Table 1 Characteristics of study participants, n (%)

Variable		n = 121
Gender	Male	80 (66.1)
	Female	41 (33.9)
Age	≥ 65 years	61 (50.4)
	< 65 years	60 (49.6)
Occupation	Farmer	56 (46.3)
	Worker	13 (10.7)
	Retired	32 (26.5)
	Others	20 (16.5)
Residence	Country	55 (45.5)
	Town	30 (24.8)
	City	36 (29.7)
Education level	Elementary or below	57 (47.1)
	Middle school	31 (25.6)
	High school	17 (14.1)
	College or above	16 (13.2)
Religion	No	111 (91.7)
	Yes	10 (8.3)
Marriage status	Married	111 (91.7)
	Single or divorced or widowed	10 (8.3)
Living condition	Solitude	11 (9.1)
	Live with relatives	110 (90.9)
Monthly household income (RMB)	< ¥1000	11 (9.1)
	¥1000-¥3000	31 (25.6)
	¥3000-¥5000	33 (27.3)
	¥5000-¥10000	34 (28.1)
	≥ ¥10000	12 (9.9)
Payment method for medical expenses	Medical insurance	51 (42.1)
	Rural and urban health insurance	70 (57.9)
TNM stage	0	1 (0.8)
	I	45 (37.2)
	II	30 (24.8)
	III	45 (37.2)
	IV	0 (0.0)
Operation mode	Laparoscopy	76 (62.8)
	Open surgery	45 (37.2)
Gastrectomy type	Total gastrectomy	48 (39.7)
	Partial gastrectomy	73 (60.3)
Postoperative complications	No	95 (78.5)
	Yes	26 (21.5)
Perioperative chemotherapy	No	38 (31.4)
	Yes	83 (68.6)
Preoperative chemotherapy	No	95 (78.5)
	Yes	26 (21.5)
Concomitant chronic diseases	None	67 (55.4)
	1	34 (28.1)
	2 or more	20 (16.5)
Preoperative BMI (kg/m2)	< 18.50	10 (8.3)
	18.50-22.99	62 (51.2)
	23.00-24.99	24 (19.8)
	≥ 25.00	25 (20.7)

TNM: Tumor-node-metastasis; BMI: Body mass index.