Table 2

Clinical productivity (per student) pre- and post-externship

VariablesPre Mean±SDPost Mean±SDP-Value
Number of months worked12.8±2.56.7±2.6<0.0001
Procedures per month8.5±2.09.1±4.40.07
Revenue per month ($)605.0±227.6886.6±464.1<0.0001
Complexity per month2.6±0.33.0±0.5<0.0001
Average revenue per procedure ($)73.3±30.9110.0±56.70.001