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D. BIRNBAUM, M.D.; J. J. GROEN, M.D.; G. KALLNER, M.D.

AMA Arch Intern Med. 1960;105(6):843-848.

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Introduction

Chronic ulcerative colitis is usually regarded as a ubiquitous disease without geographic limitations, preferences, or restriction to a particular race, age, or sex. Only very few observations seem to point to a variation in frequency in different parts of the world. It has been stated, for instance, that the disease is less common in the southern than in the northern American continent.¹ Bockus ² reports that ulcerative colitis is more common in the northern than in the southern states of the United States, and this was confirmed by McMahon and Morton.³ Lief, in the discussion to the latter report,⁴ states that only relatively few cases of ulcerative colitis occurred among Negro patients, who amounted to more than 50% of admissions in the hospital studied. Melrose⁵ found that the disease was significantly less frequent in the northern than in the southern area of Great Britain.

While working in an area . . . [Full Text PDF of this Article]

Author Affiliations
Jerusalem, Israel

From the Department of Medicine A of the Hebrew University Hadassah Medical School, and the Government Central Bureau of Statistics, Jerusalem, Israel.

Footnotes
Submitted for publication Sept. 28, 1959.

Holding a grant from the Lasker Foundation for the Study of Man (Dr. Groen).

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