The trend lines show increases in salary for physicians in both psychiatry and all departments. Compared with salaries for physicians in all specialties, however, those for psychiatrists were lower and the trend lines were flatter. There were relatively large salary differences between chairs and professors that increased with time. In psychiatry the annual compound growth rate for chairs was 1.7 percent compared with .8 percent for professors; for all specialties, those rates were 2.4 percent and 1.4 percent, respectively.