Table 1. Well-known associations among problems in the PSL, including supporting literature.

Problem	Associated problem	P value	Odds ratio	Supporting Literature (PubMedID)
Low back pain	Insomnia	7.9×10−77	4.5	15033151
Henoch Schonlein purpura	Intussusception	1.8×10−16	213.4	18351468
Primary sclerosing cholangitis	Ulcerative colitis	1.0×10−100	229	18200656
Developmental delay	Phenylketonuria	8.5×10−5	41.0	16763886
Secondary hyperparathyroidism	Anemia	1.0×10−100	49.6	18496265

Problems in the first column were selected in the MCM application and noteworthy associated problems were explored, reported in the second column.