Table 4.
Predictors of hospital acquired conditions by multivariable analysis
| Predictors | Odds ratio (95% CI) | P value | |
|---|---|---|---|
| Patient predictors | |||
| Admission day: | |||
| Weekend | 1.25 (1.24 to 1.26) | <0.01 | |
| Weekday | Reference | ||
| Race: | |||
| White American | Reference | ||
| Black American | 0.66 (0.63 to 0.68) | <0.01 | |
| Hispanic | 0.73 (0.69 to 0.77) | <0.01 | |
| Asian Pacific Islander | 0.65 (0.62 to 0.68) | <0.01 | |
| Native American | 0.93 (0.84 to 1.03) | 0.17 | |
| Other | 0.90 (0.85 to 0.95)) | <0.01 | |
| Payer information: | |||
| Medicare | 0.89 (0.86 to 0.91) | <0.01 | |
| Medicaid | 0.67 (0.66 to 0.70) | <0.01 | |
| Private insurance | Reference | ||
| Self pay | 1.45 (1.38 to 1.51) | <0.01 | |
| No charge | 1.16 (1.03 to 1.30) | 0.01 | |
| Other | 2.07 (1.97 to 2.18) | <0.01 | |
| Sex: | |||
| Female | 0.88 (0.86 to 0.90) | <0.01 | |
| Male | Reference | ||
| No of comorbidities: | |||
| 0 | Reference | ||
| 1 | 0.72 (0.71 to 0.74) | <0.01 | |
| ≥2 | 0.57 (0.56 to 0.59) | <0.01 | |
| Age (years): | |||
| <18 | 0.47 (0.45 to 0.49) | <0.01 | |
| 19-30 | 0.41 (0.40 to 0.42) | <0.01 | |
| 31-40 | 0.37 (0.35 to 0.38) | <0.01 | |
| 41-50 | 0.41 (0.40 to 0.42) | <0.01 | |
| 51-65 | 0.41 (0.40 to 0.42) | <0.01 | |
| 66-80 | 0.56 (0.56 to 0.57) | <0.01 | |
| >80 | Reference | ||
| All Patient Refined Disease Related Group—severity: | |||
| Minor loss of function | Reference | ||
| No class specified | 0.34 (0.27 to 0.43) | ||
| Moderate loss of function | 1.40 (1.37 to 1.43) | <0.01 | |
| Major loss of function | 1.77 (1.72 to 1.83) | <0.01 | |
| Extreme loss of function | 2.60 (2.50 to 2.71) | <0.01 | |
| Hospital predictors | |||
| Hospital region: | |||
| North east | Reference | ||
| Midwest | 1.14 (1.05 to 1.23) | <0.01 | |
| South | 1.21 (1.13 to 1.30) | <0.01 | |
| West | 1.25 (1.13 to 1.37) | <0.01 | |
| Hospital location: | |||
| Rural | Reference | ||
| Urban | 0.97 (0.94 to 1.01) | 0.13 | |
| Hospital teaching status: | |||
| Non-teaching | Reference | ||
| Teaching | 1.29 (1.23 to 1.35) | <0.01 | |
| Hospital bed size: | |||
| Small (<200) | Reference | ||
| Medium (200-400) | 1.06 (1.01 to 1.12) | <0.01 | |
| Large (>400) | 1.11 (1.06 to 1.16) | <0.01 | |
| Admission type: | |||
| Emergency | 2.09 (1.97 to 2.22) | <0.01 | |
| Urgent | 1.42 (1.35 to 1.49) | 0.06 | |
| Elective | Reference | ||
| Newborn | 0.02 (0.02 to 0.02) | <0.01 | |
| Trauma | 40.39 (23.24 to 70.21) | <0.01 | |
| Other | 2.51 (1.67 to 3.76) | <0.01 | |
| Admission source: | |||
| Emergency department | 2.25 (2.11 to 2.40) | <0.01 | |
| Another hospital | 2.31 (2.08 to 2.55) | <0.01 | |
| Other health facility | 1.89 (1.76 to 2.04) | <0.01 | |
| Court or law enforcement | 1.00 (0.67 to 1.49) | 0.99 | |
| Routine | Reference | ||