Skip to main content
. Author manuscript; available in PMC: 2020 Oct 6.
Published in final edited form as: BJU Int. 2017 Mar 10;120(2):239–245. doi: 10.1111/bju.13804

Table 3.

Percent Distribution of Imputed Surgical Volume, Surgical volume with missing NPIs excluded

Imputed
(N=19,346)		 Non Imputed
(N=18,136)
< 2 32.7 32.6
2–4 20.3 20.8
5–9 15.6 15.2
10–19 18.1 17.5
20–29 7.6 7.8
>=30 5.7 6.0

(Median Average Annual Surgeon Volume Non Imputed=4.3, imputed=4.3)