Doctor-led intensive diet education on health-related quality of life in patients with chronic renal failure and hyperphosphatemia

doi:10.12998/wjcc.v10.i4.1217

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Feb 6, 2022 (publication date) through Oct 19, 2024

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World Journal of Clinical Cases

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2307-8960

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Baishideng Publishing Group Inc, 7041 Koll Center Parkway, Suite 160, Pleasanton, CA 94566, USA

Observational Study

World J Clin Cases. Feb 6, 2022; 10(4): 1217-1225
Published online Feb 6, 2022. doi: 10.12998/wjcc.v10.i4.1217

Table 1 General data comparison between patient groups

Group	Control group (n = 60)	Observation group (n = 60)
Male/female	35/25	33/27
Age (yr)	60.14 ± 8.23	59.96 ± 8.17
Dialysis time (mo)	12.86 ± 2.11	12.78 ± 2.53
Dialysis frequency (sub/w)	2.81 ± 0.56	2.78 ± 0.61
Dialysis duration (h/w)	10.52 ± 2.12	10.48 ± 2.25
Cause of renal failure (glomerulonephritis/hypertension/diabetes/others)	24/16/14/6	25/13/15/7
Education background (Junior and below/High and Junior/undergraduate and above)	12/35/13	10/34/16
Marriage status (Unwed/married/divorced)	6/47/7	9/46/5
Fee payment method (Medical care/Rural cooperative care/self-funded)	43/13/4	38/17/5

Table 2 Comparison of blood parathyroid hormone, calcium, phosphorus, and calcium-phosphorus product levels between the two groups (mean ± SD)

Group	Number of examples	Time	Blood, iPTH (pg/mL)	Blood-based Ca (mmol/L)	Blood-P (mmol/L)	Ca × P (mmol²/L²)
Control group	60	Before the intervention	379.63 ± 43.25	2.30 ± 0.25	2.15 ± 0.36	4.82 ± 0.69
		Intervention for 3 mo	312.36 ± 36.21^a	2.19 ± 0.22^a	2.02 ± 0.29^a	4.61 ± 0.56^a
		Intervention for 6 mo	295.69 ± 21.44^a	2.11 ± 0.26^a	2.05 ± 0.25^a	4.55 ± 0.56^a
Observation group	60	Before the intervention	383.45 ± 42.96	2.28 ± 0.26	2.19 ± 0.33	1.78 ± 0.78
		Intervention for 3 mo	296.88 ± 28.02^a^,^d	2.11 ± 0.21^a^,^d	1.73 ± 0.31^a^,^d	4.15 ± 0.46 ^a^,^d
		Intervention for 6 mo	249.63 ± 23.44^a^,^d	2.08 ± 0.26^a^,^d	1.70 ± 0.26^a^,^d	4.08 ± 0.49^a^,^d

^aP < 0.05 vs those before intervention in this group.

^dP < 0.05 vs the control group.

iPTH: Serum parathyroid hormone; Ca: Calcium; P: Phosphorus; Ca × P calcium-phosphorus product.

Table 3 Comparison of renal function indicators between the two groups (mean ± SD)

Group	Number of examples	Time	Scr (μmol/L)	BUN (mmol/L)
Control group	60	Before the intervention	1120.36 ± 241.36	36.85 ± 10.52
		Intervention for 3 mo	1055.89 ± 269.33^a	35.84 ± 9.88^a
		Intervention for 6 mo	1078.96 ± 271.54^a	37.11 ± 12.45^a
Observation group	60	Before the intervention	1098.36 ± 268.11	37.32 ± 9.25
		Intervention for 3 mo	1102.42 ± 301.02^a^,^d	40.02 ± 10.47^a^,^d
		Intervention for 6 mo	1083.67 ± 274.25^a^,^d	38.96 ± 9.02^a^,^d

^aP < 0.05 vs those before intervention in this group.

^dP < 0.05 vs the control group.

Scr: Serum creatinine; BUN: Blood urea nitrogen.

Table 4 Comparison of patient satisfaction between the two groups, n (%)

Group	Number of examples	Time	Very satisfied	Satisfaction	Not satisfied	Satisfaction level
Control group	60	Three months	28 (46.67)	20 (33.33)	12 (20.00)	48 (80.00)
Control group	60	Six months	34 (56.67)	22 (36.67)	4 (6.67)	56 (93.33)
Observation group	60	Three months	22 (36.67)	21 (35.00)	17 (28.33)	43 (71.67)^a
Observation group	60	Six months	30 (50.00)	24 (40.00)	6 (10.00)	54 (90.00)^a

^aP < 0.05 vs the control group.

Table 5 Comparison of EQ-5D-3L scores between the two groups (mean ± SD, points)

Group	Number of examples	Time	Action ability	Self-care	Daily activities	Pain and discomfort	Anxiety and frustration	VAS score
Control group	60	Before the intervention	2.03 ± 0.44	2.12 ± 0.51	1.78 ± 0.62	2.16 ± 0.41	2.03 ± 0.52	58.25 ± 12.03
		Intervention for 3 mo	1.54 ± 0.32^a	1.43 ± 0.43^a	1.21 ± 0.32^a	1.46 ± 0.37^a	1.50 ± 0.46^a	69.36 ± 7.14^a
		Intervention for 6 mo	1.56 ± 0.41^a	1.42 ± 0.32^a	1.26 ± 0.25^a	1.38 ± 0.26^a	1.44 ± 0.51^a	68.23 ± 8.27^a
Observation group	60	Before the intervention	2.01 ± 0.42	2.14 ± 0.47	1.75 ± 0.56	2.12 ± 0.43	2.06 ± 0.47	57.44 ± 12.85
		Intervention for 3 mo	1.32 ± 0.25^a^,^d	1.26 ± 0.37^a^,^d	1.09 ± 0.26^a^,^d	1.24 ± 0.33^a^,^d	1.34 ± 0.39^a^,^d	75.89 ± 6.98^a^,^d
		Intervention for 6 mo	1.33 ± 0.21^a^,^d	1.22 ± 0.32^a^,^d	1.05 ± 0.24^a^,^d	1.25 ± 0.29^a^,^d	1.29 ± 0.27^a^,^d	77.02 ± 8.45^a^,^d

^aP < 0.05 vs those before intervention in this group.

^dP < 0.05 vs the control group.

VAS: Visual analogue scale.

Table 6 Comparison of disease-related knowledge and compliance scores between the two groups (mean ± SD, points)

Group	Number of examples	Time	Disease knowledge	Diet knowledge	Drug-taking knowledge	Compliance
Control group	60	Before the intervention	52.14 ± 6.14	61.14 ± 5.85	46.96 ± 5.25	58.23 ± 10.02
		Intervention for 3 mo	68.96 ± 5.44^a	73.36 ± 6.02^a	68.11 ± 6.36^a	74.01 ± 6.59^a
		Intervention for 6 mo	69.23 ± 6.01^a	71.45 ± 5.22^a	64.25 ± 5.23^a	72.85 ± 6.98^a
Observation group	60	Before the intervention	51.92 ± 8.98	60.88 ± 7.23	48.02 ± 6.32	57.96 ± 8.97
		Intervention for 3 mo	87.12 ± 6.55^a^,^d	84.96 ± 8.02^a^,^d	82.55 ± 7.65^a^,^d	87.55 ± 7.14^a^,^d
		Intervention for 6 mo	86.25 ± 7.12^a^,^d	84.98 ± 7.96^a^,^d	85.02 ± 6.44 ^a^,^d	86.96 ± 8.05^a^,^d

^aP < 0.05 vs those before intervention in this group.

^dP < 0.05 vs the control group.

Citation: Feng XD, Xie X, He R, Li F, Tang GZ. Doctor-led intensive diet education on health-related quality of life in patients with chronic renal failure and hyperphosphatemia. World J Clin Cases 2022; 10(4): 1217-1225
URL: https://www.wjgnet.com/2307-8960/full/v10/i4/1217.htm
DOI: https://dx.doi.org/10.12998/wjcc.v10.i4.1217