Analysis of influencing factors on the nutritional status of non-dialysis elderly patients with chronic kidney disease and depression

Table 1 Comparison of nutritional status and depression scores between the two groups of patients, mean ± SD

Group	Number of cases	PG-SGA score	PHQ-9 score
Normal nutrition	97	1.63 ± 0.87	12.54 ± 2.41
Malnutrition	85	6.95 ± 1.31	14.35 ± 2.31
t value		5.954	2.228
P value		0.012	0.041

PG-SGA: Patient-generated subjective global assessment; PHQ-9: Patient Health Questionnaire-9.

Table 2 Comparison of clinical data between the two groups of patients, mean ± SD/n (%)

Category	Malnutrition group (n = 85)	Normal nutrition group (n = 97)	χ2/t	P value
Sex			1.528	0.084
Male	50 (58.82)	67 (69.07)
Female	35 (41.18)	30 (30.92)
Age (years)	64.9 ± 12.3	66.67 ± 9.39	1.098	0.274
BMI (kg/m2)	19.78 ± 2.1	24.32 ± 2.09	12.542	< 0.001
PBF (%)	31.19 ± 13.56	29.1 ± 9.38	1.056	0.093
BMR (%)	1148.73 ± 116.85	1350.47 ± 199.47	8.484	< 0.001
Alb (mg/L)	30.31 ± 5.4	42.11 ± 3.27	14.874	< 0.001
Hb (g/L)	80.81 ± 13.84	112.08 ± 10.27	13.872	< 0.001
PA (mmol/L)	0.25 ± 0.05	0.64 ± 0.19	21.054	< 0.001
BUN (mmol/L)	46.25 ± 8.45	30.21 ± 5.48	13.852	< 0.001
Cr (μmol/L)	801.71 ± 123.87	1151.38 ± 193.06	14.851	< 0.001
PHQ-9 score	14.35 ± 2.31	12.54 ± 2.41	2.228	0.041
Anxiety symptoms			6.541	< 0.001
Have	49 (57.65)	28 (28.87)
None	36 (42.35)	69 (71.13)

Alb: Albumin; BMI: Body mass index; BMR: Basal metabolic rate; BUN: Blood urea nitrogen; Cr: Creatinine; Hb: Hemoglobin; PA: Pre-albumin; PBF: Percentage body fat; PHQ-9: Patient Health Questionnaire-9.

Table 3 Assignment status

Project	Variable	Assignment
Nutritional status	Dependent variable	Normal nutrition = 0, malnutrition = 1
Anxiety symptoms	Independent variable	None = 0, yes = 1

Table 4 Analysis of factors affecting nutritional status in non-dialysis elderly patients with chronic kidney disease and depression

Influencing factors	β	SE	Wald value	P value	OR value	95% confidence interval of Exp (B)
						Lower limit	Upper limit
BMI	0.768	0.485	2.183	0.153	2.046	0.768	6.414
BMR	0.792	0.631	1.685	0.183	2.185	0.695	6.934
Alb	-0.583	0.321	5.108	0.023	0.631	0.308	0.975
Hb	-0.315	0.152	4.521	0.031	0.682	0.419	0.935
PA	-0.582	0.231	7.854	0.003	0.583	0.308	1.052
BUN	0.743	0.416	3.393	0.093	2.152	0.854	3.934
Cr	-0.522	0.483	1.328	0.238	0.284	0.017	1.382
Anxiety symptoms	0.692	0.287	6.748	0.014	1.038	0.843	3.319

Alb: Albumin; BMI: Body mass index; BMR: Basal metabolic rate; BUN: Blood urea nitrogen; Cr: Creatinine; Hb: Hemoglobin; OR: Odds ratio; PA: Pre-albumin.