Annual prevalence estimation of lymphatic malformation with a cutaneous component: observational study of a national representative sample of physicians

Table 2 Estimates of annual LMC*-treated patients nationally

Specialty	MDs in study	MDs In US	LMCs/MD	LMCs in US	Unique total patients seen annually per MD	Unique total patients seen annually from national household study^d	Adjustment for heavier than average patient load for specialty	Adjusted total
Pediatrics^a	102	54,139	0.478	25,878	1217	NA	0	25,878
Pediatric dermatology^b,c	9	625	5.000	3125	1456	NA	0	3125
Pediatric Hem/Onc^a	29	2251	2.649	5963	729	NA	0	5963
Dermatology^a	100	11,747	1.589	18,666	1556	1247	0.8014	14,959
Hematology/oncology^a	76	11,255	2.665	29,995	811	NA	0	29,995
Total	316	80,017		83,627				79,920**

*Lymphatic malformation with cutaneous component − 93,250
**95% confidence interval 66,600
^aSource: American Medical Association. AMA Physician Masterfile database, https://www.ama-assn.org. Accessed 5 May 2021
^bSilverberg NB, MD. Pediatric dermatology workforce shortage explained. Cutis. 2018;102:305–06, cites about 300 board certified pediatric dermatologists, cites about double that total pediatric dermatologist practitioners, specifying “1 pediatric dermatologist for every 120,000 children or more”
^cPrindaville B, Horii KA, Siegfried EC, Brandling-Bennett H. Pediatric dermatology workforce in the United States. Pediatr Dermatol. 2019;36:166–68, cites 283 board certified pediatric dermatologists
^dShare of Americans who visited a dermatologist in the last 12 months in 2018, by age, Statista, https://www.statista.com/statistics/228530/people-who-used-a-skin-doctor-dermatologist-usa. Accessed 15 February 2022

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