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Volume 26, Number 7—July 2020

CME ACTIVITY - Research

Atypical Manifestations of Cat-Scratch Disease, United States, 2005–2014

Courtney C. NawrockiComments to Author , Ryan J. Max1, Natalie S. Marzec2, and Christina A. Nelson
Author affiliations: Oak Ridge Institute for Science and Education, Oak Ridge, Tennessee, USA (C.C. Nawrocki, R.J. Max); Centers for Disease Control and Prevention, Fort Collins, Colorado, USA (C.C. Nawrocki, R.J. Max, C.A. Nelson); University of Colorado, Aurora, Colorado, USA (N.S. Marzec)

Main Article

Table 1

Characteristics of patients with cat-scratch disease and risk factors for development of atypical cat-scratch disease, United States, 2005–2014

Characteristic Typical disease, no. (%), n = 14,600 Atypical disease, no. (%), n = 224 Risk ratio (95% CI)*
Sex
M 5,583 (38.2) 94 (42.0) 1.17 (0.90–1.52)
F
 9,017 (61.8)
 130 (58.0)
 Referent
Age, y
Child <14 4,678 (32.0) 81 (36.2) 1.20 (0.91–1.57)
Adult, 15–49 6,421 (44.0) 106 (47.3) Referent
Adult, 50–64
 3,501 (24.0)
 37 (16.5)
 0.63 (0.44–0.90)
Month of onset
Late summer and fall† 5,470 (37.5) 93 (41.5) 1.18 (0.90–1.56)
January 1,490 (10.2) 22 (9.8) 1.03 (0.65–1.64)
All other months‡
 7,640 (52.3)
 109 (48.7)
 Referent
Hospitalized
 487 (3.3)
 56 (25)
 8.77 (6.56–11.72)
Residence in southern state 7,732 (53.0) 129 (57.6) 1.20 (0.93–1.57)
Residence in rural area 3,235 (22.1) 51 (22.8) 1.06 (0.78–1.45)

*Outcome for risk ratio calculations was development of atypical cat-scratch disease.
†August, September, October, and November.
‡February, March, April, May, June, July, and December.

Main Article

1Current affiliation: University of North Carolina, Chapel Hill, North Carolina, USA.

2Current affiliation: Colorado Department of Public Health and Environment, Denver, Colorado, USA.

Page created: March 20, 2020
Page updated: June 17, 2020
Page reviewed: June 17, 2020
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.
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