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. Author manuscript; available in PMC: 2018 Aug 1.
Published in final edited form as: Clin Pharmacol Ther. 2017 Jun 5;102(2):340–348. doi: 10.1002/cpt.611

Table 1.

Demographics

Academic
Medical
Center
Public Hospital,
Level I Trauma
Center
Primary
Care Clinic
Network
Cancer
Center
Total
Number of
patients*
2011 41,261 34,517 33,660 11,123 120,561
2012 45,681 38,600 39,734 12,006 136,021
2013 46,459 38,868 41,166 13,270 139,763
Number of
visits
2011 342,355 302,007 229,745 146,634 1,020,741
2012 362,704 298,338 248,382 170,327 1,079,751
2013 364,970 296,489 268,829 181,017 1,111,305
Total 1,070,029 896,834 746,956 497,978 3,211,797
Number of
index
medication
orders
2011 34,921 31,418 27,092 1,058 94,489
2012 33,918 28,248 26,584 1,086 89,836
2013 32,374 27,835 26,292 1,253 87,754
Total 101,213 87,501 79,968 3,397 272,079
Mean age
(Interquartile range)
55
(43, 67)
53
(42, 65)
45
(28, 59)
57
(49, 66)
51
(38, 65)
% male/female 45%/55% 56%44% 47%/53% 36%/64% 46%/54%
*

Patients are counted based on the first time they are seen at a given facility in a given year. A patient can therefore be counted in more than one year. 132,340 unique patients were seen across all four facilities during the study period.