Table 1.

Score	0	2	4	6
Defecation interval time	1-2 days	3 days	4 days	≥5 days
Dry stool (Bristol stool scale)	Types 4–7	Type 3	Type 2	Type 1
Difficult defecation	Smooth bowel movement	With little difficultly	Needing whole body forced	Needing mannitol to help
Score	0		1
Encopresis	Yes		No