Gastrointestinal symptoms: A comparison between patients undergoing peritoneal dialysis and hemodialysis

Table 1 Clinical features of the study population n (%)

Clinical feature	HD (n = 182)	PD(n = 112)	P value
Age (yr)	58.67 ± 14.39	59.67 ± 14.19	0.56
Female	75 (41.2)	51 (45.5)	0.47
Diabetes mellitus	37 (20.3)	27 (24.1)	0.47
Disease leading to chronic renal failure
Chronic glomerular nephritis	85 (46.7)	40 (35.7)
Hypertensive nephropathy	38 (20.9)	34 (30.4)
Diabetic nephropathy	27 (14.8)	22 (19.6)
Polycystic kidney disease	9 (4.9)	7 (6.2)
Gout	5 (2.7)	3 (2.7)
Others	18 (9.0)	6 (5.4)
Duration of dialysis, mean months	55.54 ± 38.47	48.90 ± 31.01	0.11
Kt/V target reached1	132 (73.7)	62 (66.7)	0.26

¹Restricted to the 179 HD and 93 PD patients for whom complete information on Kt/V was available. HD: Hemodialysis; PD: Peritoneal dialysis.

Table 2 Comparison of gastrointestinal symptom rating scale scores between the two groups

Dimension	HD (n = 182)	PD (n = 112)	P value
Abdominal pain	1.22 ± 0.39	1.04 ± 0.19	0.000
Reflux	1.30 ± 0.67	1.71 ± 1.15	0.001
Indigestion	1.23 ± 0.47	1.32 ± 0.56	0.153
Diarrhea	1.19 ± 0.53	1.07 ± 0.35	0.019
Constipation	1.51 ± 0.83	1.23 ± 0.58	0.001
Eating dysfunction	1.39 ± 0.61	1.57 ± 0.84	0.049

HD: Hemodialysis; PD: Peritoneal dialysis.

Table 3 Number of gastrointestinal symptoms according to the gastrointestinal symptom rating scale

Group	No. of symptoms			P value1
	0	1-3	4-5
HD	43	112	27	0.009
PD	43	61	8

¹Pearson’s χ² analysis. HD: Hemodialysis; PD: Peritoneal dialysis.