Table 3.

Adjusting Estimated Complexity for Duration-of-Visit

MeasureFamily Medicine (Weighted Visits=98,577,765) Mean (95% CI)Cardiology (Weighted Visits=21,598,184) Mean (95% CI)Psychiatry (Weighted Visits=28,864,201) Mean (95% CI)
CI=confidence interval.
Note: Based on 2000 National Ambulatory Medical Care Survey database.
Estimated total complexity44.044339 (44.039722–44.048957)42.779207 (42.771360–42.787053)17.492836 (17.489900–17.495771)
Duration-of-visit, min15.793105 (15.792874–15.793336)20.468510 (20.46820–20.46882)33.633497 (33.632895–33.634100)
Complexity per minute2.7888336 (2.7885402–2.7891270)2.090001 (2.089619–2.090383)0.5201017 (0.5200140–0.5201893)
Complexity per hour167.33002 (167.31242–167.34762)125.40008 (125.37717–125.42300)31.206097 (31.200836–31.211358)