Volume 12, Number 3—March 2006
Research
Clostridium difficile Infection in Patients Discharged from US Short-stay Hospitals, 1996–20031
Table
Overall rates of any listed CDAD discharge diagnosis by various demographic factors, 1996–2003*
Demographic factor | Point estimate of rate† | 95% confidence interval† | p value |
---|---|---|---|
Sex | |||
Male | 0.38% | 0.34%–0.42% | |
Female | 0.38% | 0.34%–0.42% | NS |
Age group (y) | |||
>65 | 228 | 200–256 | |
45–64 | 40 | 34–45 | <0.001 |
15–45 | 11 | 10–13 | <0.001 |
<15 | 9 | 5–9 | <0.001 |
Geographic region | |||
Northeast | 68 | 56–79 | |
Midwest | 49 | 36–61 | 0.03 |
South | 36 | 27–45 | <0.001 |
West | 31 | 26–37 | <0.001 |
Hospital size by number of beds | |||
<100 | 0.30% | 0.23%–0.36% | |
100–200 | 0.42% | 0.37%–0.47% | 0.004 |
>300 | 0.38% | 0.35%–0.40% | 0.03 |
*CDAD, Clostridium difficile–associated disease; NS, not significant.
†Per 100,000 population unless otherwise indicated as the proportion (%) of hospital discharges.
1Presented in part at the 14th Annual Scientific Meeting of the Society for Healthcare Epidemiology of America, Philadelphia, Pennsylvania, April 18, 2004.