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. Author manuscript; available in PMC: 2020 Apr 1.
Published in final edited form as: Am J Infect Control. 2018 Dec 4;47(4):371–375. doi: 10.1016/j.ajic.2018.10.009

Table 1.

University of Colorado Hospital National Surgical Quality Improvement Program population by UTI status (N=6,840).

All UTI No UTI
6,840 134 (2.0) 6,706 (98.0) P value
Age, years, mean (SD) 53.5 (16.4) 57.1 (15.6) 53.5 (16.4) <0.001
Gender
 Female 3,843 (56.2) 97 (2.5) 3,746 (97.5) <0.001
 Male 2,997 (43.8) 37 (1.2) 2,960 (98.8)
Race/Ethnicity
 White, not of Hispanic origin 4,981 (72.8) 99 (2.0) 4,882 (98.0) 0.8
 Hispanic origin 801 (11.7) 15 (1.9) 786 (98.1) 1.0
 Black, not of Hispanic origin 490 (7.2) 11 (2.2) 479 (97.8) 0.6
 Asian or Pacific Islander 143 (2.1) 3 (2.1) 140 (97.9) 0.8
 American Indian or Alaska native 20 (0.3) 0 (0.0) 20 (100.0) 1.0
 Null/unknown 405 (5.9) 6 (1.5) 399 (98.5) 0.6
Primary surgeon specialty
 Orthopedics 1,795 (26.2) 22 (1.2) 1,773 (98.8) 0.01
 General surgery 1,666 (24.4) 30 (1.8) 1,636 (98.2) 0.7
 Gynecology 664 (9.7) 35 (5.3) 629 (94.7) <0.001
 Urology 662 (9.7) 24 (3.6) 638 (96.4) 0.003
 Neurosurgery 640 (9.4) 12 (1.9) 628 (98.1) 1.0
 Otolaryngology 586 (8.6) 1 (0.2) 585 (99.8) <0.001
 Thoracic 345 (5.0) 7 (2.0) 338 (98.0) 0.8
 Vascular 250 (3.7) 2 (0.8) 248 (99.2) 0.2
 Plastics 232 (3.4) 1 (0.4) 231 (99.6) 0.09
Year of operation
 2013 984 (14.4) 25 (2.5) 959 (97.5) 0.2
 2014 2,136 (31.2) 48 (2.2) 2,088 (97.8) 0.3
 2015 2.074 (30.3) 31 (1.5) 2,043 (98.5) 0.07
 2016 1,646 (24.1) 30 (1.8) 1,616 (98.2) 0.7

Values are n (row percent) unless otherwise specified. Abbreviations: SD, standard deviation; UTI, urinary tract infection.

Fisher’s exact or t-test. For multiple categories, p-value indicates comparison to all other categories.