The prognosis of gastric and of duodenal ulcer, as regards the percentage both of the mortality and of the curative effect of treatment, is difficult to determine. A mass of statistics is available but in many respects these statistics are insufficient and misleading. This applies to the reports of both medical and surgical cases.
Many of the discrepancies that exist between the statistics of physicians and surgeons are due to the fact that they refer to entirely different types of ulcer. The physician meets varieties that are not apt to come at any time under surgical observation. The physician sees all kinds; the surgeon sees only a limited number and a limited variety.
Let us consider for a moment the varieties of ulcer that come under the care of the physician and compare these with the varieties of ulcer that come under the care of the surgeon.
I. The physician