Analysis of risk factors for dysphagia in patients after laparoscopic radical gastrectomy

Table 2 The general condition of the patient before operation is counted, n (%)

Variable	Patients with dysphagia (n = 18)	Patients without dysphagia (n = 97)	P value
Gender			0.271
Male	16 (88.9)	75 (77.3)	-
Female	2 (11.1)	22 (22.7)	-
Age, years, mean ± SD	69.22 ± 7.030	64.71 ± 8.565	0.017
Preoperative nutritional status
BMI (kg/m²), mean ± SD	20.51 ± 2.86	21.99 ± 3.22	0.071
Serum albumin (g/L), mean ± SD	34.44 ± 4.32	38.99 ± 5.64	0.002
Hypertension	35 (36.1)	7 (38.9)	0.820
Diabetes	4 (22.2)	26 (26.8)	0.684
Coronary heart disease	4 (22.2)	12 (12.4)	0.267
Smoking	10 (55.6)	41 (42.3)	0.297
Alcohol	7 (38.9)	43 (44.3)	0.669
Thyroid disease	1 (5.6)	5 (5.2)	0.944
Chronic bronchitis or COPD	4 (22.2)	6 (6.2)	0.027

BMI: Body mass index; COPD: Chronic obstructive pulmonary disease.