 The number of UPMC Shadyside FTEs/day in 2003 and 2006 was 4.5 and 5.1, respectively and the productivity ratio was 3,439 and 4,074 work units/FTE, respectively (P < 0.001)  A second histology section produced 23,972 mean monthly work units with 15.0 FTEs/day and had a productivity ratio of 1,598 work units/FTE (P < 0.001)