Volume 22, Number 10—October 2016
Research
Cat-Scratch Disease in the United States, 2005–2013
Table
Demographic characteristics of patients with cat-scratch disease, United States, 2005–2013*
Characteristic | Inpatients, no. (%) n = 538 | Outpatients, no. (%) n = 12,735 | Risk ratio (95% CI) |
---|---|---|---|
Male sex |
239 (44.4) |
4,842 (38.0) |
1.17 (1.06–1.29) |
Age, y | |||
Child, <14 | 191 (35.5) | 4,128 (32.4) | 1.10 (0.97–1.23) |
Older adult, 50–64 |
157 (29.2) |
2,971 (23.3) |
1.25 (1.09–1.43) |
Month of diagnosis | |||
Aug-Nov (late summer and fall) | 233 (43.3) | 4,764 (37.4) | 1.16 (1.05–1.29) |
Jan |
54 (10.0) |
1,305 (10.2) |
0.98 (0.76–1.27) |
Residence in southern state† | 314 (58.4) | 6,828 (53.6) | 1.09 (1.01–1.17) |
Residence in rural area‡ | 118 (21.9) | 3,056 (24.0) | 0.91 (0.78–1.08) |
*Boldface indicates statistical significance between comparison groups.
†Includes states in the South Atlantic, East South Central, and West South Central divisions (Figure 2).
‡Defined as residence of primary beneficiary outside of a Metropolitan Statistical Area.