	Infantile^a (n=23)	Childhood Onset^b (n=22)	Late Onset^c (n=296)
Length of post-index follow-up, months, mean (SD)	11.0 (±9.58)	27.7 (±23.37)	36.0 (±26.5)
Acid suppressants	56.5%	31.8%	28.7%
Antibiotics	56.5%	68.2%	67.2%
Muscle relaxants	17.4%	31.8%	36.8%
Benzodiazepines	17.4%	31.8%	36.1%
Prokinetic agents	13.0%	4.5%	3.4%
Anti-anxiety	8.7%	9.1%	21.3%
Antidepressants	0.0%	0.0%	31.8%
Botulinum toxin	0.0%	0.0%	2.4%
CNS stimulants	0.0%	0.0%	6.4%