rome_iv_infant_functional_constipation: Rome IV Diagnostic Criteria for Infant Functional...

In cliot: Clinical Indices and Outcomes Tools

Rome IV Diagnostic Criteria for Infant Functional Constipation

Description

Evaluates the Rome IV criteria for diagnosing **Functional Constipation** in infants (from birth to 4 years of age). Diagnosis requires at least **two** of the five listed symptoms for at least 1 month, and the symptoms cannot be explained by another medical condition.

Usage

rome_iv_infant_functional_constipation(stool_frequency_lt_3_week, hard_lumpy_stool,
                                       straining, large_diameter_stool,
                                       rectal_fecal_mass, no_other_cause)

Arguments

stool_frequency_lt_3_week	Numeric (0 or 1). Less than **three bowel movements** per week. (1 = Yes).
hard_lumpy_stool	Numeric (0 or 1). History of passing **hard or lumpy stools** (Bristol Stool Form Scale 1-2). (1 = Yes).
straining	Numeric (0 or 1). History of excessive **straining** or holding back stools. (1 = Yes).
large_diameter_stool	Numeric (0 or 1). History of passing **large diameter stools**. (1 = Yes).
rectal_fecal_mass	Numeric (0 or 1). Presence of a **large fecal mass** in the rectum. (1 = Yes).
no_other_cause	Numeric (0 or 1). Have symptoms been active for at least 1 month and are NOT fully explained by another medical condition? (1 = Yes).

Value

A list containing:

Diagnosis	"Criteria Met for Infant Functional Constipation" or "Criteria Not Met".
Positive_Criteria_Count	The number of positive criteria out of the five specified symptoms.

References

Hyams JS, Di Lorenzo C, Saps M, et al. Functional Disorders: Children and Adolescents. Gastroenterology. 2016;150:1456-1468. doi:10.1053/j.gastro.2016.02.015

Examples

# Example 1: Diagnosis Met
# 2 stools/week (1), Hard stools (1), Straining (1), No other features, No other cause
# Score = 3 (Meets criteria for 2 or more)
rome_iv_infant_functional_constipation(1, 1, 1, 0, 0, 1)

# Example 2: Not Met (Insufficient criteria)
# 4 stools/week (0), Hard stools (1), Straining (0)
# Score = 1 (Does not meet required 2 criteria)
rome_iv_infant_functional_constipation(0, 1, 0, 0, 0, 1)

cliot documentation built on Dec. 1, 2025, 1:06 a.m.