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Table 3 Prevalence of constipation in patients with nondialysis-CKD

From: Constipation in chronic kidney disease: it is time to reconsider

Authors (Year), country

No. of subjects

Age (year)

Renal function

Definition of constipation (Prevalence [%])

Yasuda et al. (2002), Japan [29]

105

59.1 ± 11.9

Unknown

Meeting 1 and 2, or 3 (59.9)

1. Stool consistency: moderate or severe

2. Straining: always or almost always

3. Bowel movements < 3 times/week

Ramos et al. (2019), Brazil [30]

43

59.0 ± 13.5

eGFR 21.3 ± 7.9 mL/min/1.73m2

Rome III criteria (34.9)

BSFS type 1 and 2 (32.6)

  1. Abbreviations: BSFS Bristol Stool Form Scale, eGFR estimated glomerular filtration rate