Predictors of admission to hospital within 6 months for outpatients with CDI*
| Covariate | Adjusted HR (95% CI)† |
|---|---|
| Recurrence (Ref: No recurrence) | 1.58 (1.31 to 1.91) |
| Age, yr (Ref: 18–69 yr) | |
| 70–79 | 1.55 (1.25 to 1.92) |
| ≥ 80 | 1.49 (1.23 to 1.81) |
| Male sex (v. female) | 0.95 (0.81 to 1.11) |
| SEFI‡ | 1.17 (1.07 to 1.27) |
| CCI (Ref: 0)§ | |
| 1 | 1.54 (1.2 to 1.96) |
| 2 | 1.35 (1.03 to 1.76) |
| ≥ 3 | 1.83 (1.43 to 2.36) |
| CDI subtype (v. community-associated) | |
| Community-onset HCF-associated | 1.46 (1.21 to 1.77) |
| Indeterminate | 1.31 (1.05 to 1.63) |
| Ambulatory care visits in previous year (v. least) | |
| Quartile 2 | 1.34 (0.99 to 1.82) |
| Quartile 3 | 1.84 (1.36 to 2.48) |
| Most | 2.20 (1.6 to 3.02) |
Note: CDI = Clostridioides difficile infection, CCI = Charlson Comorbidity Index, CI = confidence interval, HCF = health care facility, HR = hazard ratio, SEFI = Socioeconomic Factor Index.
↵* 307 admissions among 2530 outpatients diagnosed with CDI.
↵† The HRs were adjusted for all the factors listed in the table.
↵‡ SEFI was handled as a continuous variable.
↵§ Renal disease and diabetes omitted from CCI calculation.