Table 1.
Patient characteristics and incidence of Clostridium difficile infection
| Characteristics | Entire cohort (n = 13.8 x 106) | Patients with CDI (n = 46, 176) | Patients without CDI (n = 13.7 x 106) | Incidence of CDI/ 10 000 hospitalizations | P-valuea |
|---|---|---|---|---|---|
| Median age, years | 5 (2–14) | 3 (2–11) | 5 (2–14) | ||
| Age distribution | |||||
| <1 year | 26.3 | 27.8 | 26.3 | 35.4 | <0.0001 |
| 1–17 years | 73.7 | 72.2 | 73.7 | 32.8 | |
| Race | |||||
| Caucasian | 56.7 | 52.7 | 56.7 | 31.5 | <0.0001 |
| African-American | 14.7 | 12.1 | 14.7 | 27.7 | |
| Asian | 1.4 | 2.1 | 1.4 | 50.8 | |
| Othersb | 27.2 | 33.1 | 27.2 | 40.6 | |
| Geographical region | |||||
| Northeast | 18.5 | 20.4 | 18.5 | 36.9 | <0.0001 |
| Midwest | 15.5 | 13.0 | 15.5 | 28.1 | |
| South | 38.6 | 30.9 | 38.6 | 26.8 | |
| West | 27.4 | 35.7 | 27.4 | 43.7 | |
| Admission type | |||||
| Emergency | 41.7 | 9.1 | 41.7 | 31.4 | <0.0001 |
| Urgent | 30.7 | 30.6 | 30.7 | 33.4 | |
| Elective | 19.4 | 23.2 | 19.4 | 40.0 | |
| Unknown | 8.2 | 7.1 | 8.2 | 28.9 | |
| Hospital ownership | |||||
| Proprietary | 10.4 | 7.5 | 10.4 | 24.2 | <0.0001 |
| Government | 11.3 | 7.9 | 11.3 | 23.4 | |
| Non-profit | 78.3 | 84.6 | 78.3 | 36.2 | |
| Hospital beds | |||||
| 6–99 | 15.2 | 7.9 | 15.2 | 17.5 | <0.0001 |
| 100–199 | 18.1 | 17.6 | 18.1 | 32.6 | |
| 200–299 | 30.3 | 33.4 | 30.3 | 36.9 | |
| 300–499 | 22.8 | 24.6 | 22.8 | 36.1 | |
| ≥500 | 13.6 | 16.5 | 13.6 | 40.7 | |
All data are proportion of cases unless otherwise stated.
aP-value for comparing incidence of CDI in the various groups.
b‘Others’ includes patients in whom the race was not stated or multiple races were indicated for the same patient.
CDI = C. difficile infection