Patients with Multiple Functional Gastrointestinal Disorders (FGIDs) Show Increased Illness Severity: A Cross-Sectional Study in a Tertiary Care FGID Specialty Clinic

Table 1

Distribution of diagnostic overlap between the different FGIDs.

Diagnoses	IBS	FD	Functional bloating	Functional constipation	Functional diarrhea
Overall, (%)	220 (81.2)	153 (56.5)	17 (6.3)	7 (2.6)	4 (1.5)
Single, (%)	94 (42.7)	23 (15.0)	17 (100.0)	4 (57.1)	3 (75.0)
Comorbid FD, (%)	126 (57.3)	—	—	3 (42.9)	1 (25.0)
Comorbid IBS, (%)	—	126 (82.4)	—	—	—