In the Special Communication entitled "Assessing Differences in Clinical
Trials Comparing Surgical vs Nonsurgical Therapy: Using Common (Statistical)
Sense" published in the November 5, 1997, issue of THE JOURNAL (1997;278:1432-1436),
the key to Figure 2 was reversed. The dotted line should have indicated "Surgically
Treated"; the solid line should have indicated "Medically Treated."