Table 6. Top alternative explanations for AHP symptom profiles seen in each group of patients.

Conditions seen in no more than one patient are not listed.

	Alternate AHP Symptom Explanation	# Patients
No mention of porphyria group	Surgery	8
	Inflammatory Bowel Disease	6
	Cancer	6
	Cancer Chemotherapy	5
	Gallbladder Pathology	4
	Diabetes	3
	Carnitine Palmitoyl Transferase Deficiency	2
	Renal	4
	Poly Cystic Ovarian Syndrome	2
	Appendicitis	2
	Mastocytosis	2
‘Porph’ in clinical notes group	Liver Pathology	30
	Chemotherapy/Drug Side Effects	3
	Mastocytosis	2