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Table 2 Bristol Stool Form Scale

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

Type

Stool form

1

Separate hard lumps, like nuts (hard to pass)

2

Sausage-shaped but lumpy

3

Like a sausage but with cracks on the surface

4

Like a sausage or snake, smooth and soft

5

Soft blobs with clear-cut edges

6

Fluffy pieces with ragged edges, a mushy stool

7

Watery, no solid pieces, entirely liquid