Table 4

Rates of adverse events and negligence among clinical specialty groups*

SpecialtyRate of adverse eventsRate of negligence
Mean (SE) %Population estimateMean (SE) %Population estimate
*Values differ from the sums of those reported above because of rounding.
†For the distribution of rates of events.
Orthopedics4.1 (0.6)674622.4 (4.7)1514
Urology4.9 (0.8)481919.4 (6.5)933
Neurusurgery9.9 (2.1)298735.6 (8.6)1063
Thoracic and cardiac surgery10.8 (2.4)358823.0 (9.3)826
Vascular surgery16.1 (3.0)318718.0 (8.1)575
Obstetrics1.5 (0.2)501338.3 (7.0)1920
Neonatology0.6 (0.1)171325.8 (6.9)442
General surgery7.0 (0.5)2232428.0 (3.4)6247
General medicine3.6 (0.3)3713530.9 (4.4)11475
Other3.0 (0.4)1109719.7 (4.9)2183
p value†<0.00010.64