Table 5.

Logistic regression: intervention's ability to increase HFT use to 75% and 100% in Period 2 compared with Period 1, at three control and three intervention hospitals in Canada, July 2004 to April 2006^a

^aFull-model analysis was conducted with 6,193 surgeries (Periods 1 and 2); 114 surgeries were missing.

^bThe reference category was “other” subspecialties consisting of neuro, plastics, eye, and ear/nose/throat.

^cHc1 and Hc2 were the reference categories.

HFT = hands-free technique

SE = standard error

CI = confidence interval

cc = cubic centimeter