Gastrointestinal symptoms in patients undergoing peritoneal dialysis: Multivariate analysis of correlated factors

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

Clinical features	Patient (n = 112)
Age (mean ± SD) (yr)	59.67 ± 14.18
Sex
Male	61 (54.5)
Female	51 (45.5)
BMI, mean (SD) (kg/m2)	23.26 (4.27)
DM status
DM	27 (24.1)
Non-DM	85 (75.9)
Disease leading to chronic renal failure
Chronic glomerulonephritis	40 (35.7)
Primary hypertension	31 (27.7)
Diabetes mellitus	22 (19.6)
Polycystic kidney disease	7 (6.2)
Gout	3 (2.7)
Primary hypertension combined with gout	3 (2.7)
Obstructive nephropathy	2 (1.8)
Chronic interstitial nephritis	1 (0.9)
Nephrotic syndrome	1 (0.9)
Ischemic renal disease	1 (0.9)
Microscopic Polyarteritis	1 (0.9)
Steroid history
Yes	8 (7.1)
No	104 (92.9)
Daily dosage of pills, median (interquartile ranges)1	12.00 (6.00-21.25)
Predialytic GI symptoms
Yes	14 (12.5)
No	98 (87.5)
PD Duration, median (interquartile ranges) (mo)2	15.00 (8.00-33.00)
Type of PD
CAPD	60 (53.6)
IPD	50 (44.6)
Daily peritoneal dialysate volume (mean ± SD) (L)3	7.83 ± 1.28
Albumin (mean ± SD) (g/L)4	33.96 ± 4.77
Hemoglobin (mean ± SD) (g/L)5	101.24 ± 20.06
Residual renal Kt/V, median (interquartile ranges)6	0.39 (0.00-0.82)
Peritoneal Kt/V (mean ± SD)6	1.51 ± 0.39
Total Kt/V (mean ± SD)6	2.00 ± 0.51

¹Restricted to the 106 patients (94.64% of the overall sample) for whom complete information on the daily dosage of pills was available;

²Restricted to the 109 patients (97.32% of the overall sample) for whom complete information on peritoneal dialysis duration was available;

³Restricted to the 110 patients (98.21% of the overall sample) for whom complete information on peritoneal dialysate volume was available.

⁴Restricted to the 108 patients (96.43% of the overall sample) for whom complete information on serum albumin was available;

⁵Restricted to the 110 patients (98.21% of the overall sample) for whom complete information on serum hemoglobin was available;

⁶Restricted to the 81 patients (72.32% of the overall sample) for whom complete information on residual renal Kt/V, peritoneal Kt/V, and total Kt/V was available. BMI: Body mass index; DM: Diabetes mellitus; CAPD: Continuous ambulatory peritoneal dialysis; IPD: Intermittent peritoneal dialysis; GI: Gastrointestinal; PD: Peritoneal dialysis.