TABLE 3.
COMPETING RISK MODELS PREDICTING FIRST CHANGE IN RESUSCITATION STATUS (25% RANDOM SAMPLES)
| Admissions With CPR Status Converting to DNR | Admissions With DNR Status Converting to CPR N = 15,562 (Model 2) | ||||
|---|---|---|---|---|---|
| All N = 13,999 (Model 1) | Dementia at admission N = 6,441 (Model 1A) | No dementia at any time N = 6403 (Model 1B) | No dementia at admission, but diagnosed later N = 1,155 (Model 1C) | ||
| SUB HAZARD RATIOS | SUB HAZARD RATIO | ||||
| Individual Characteristics: | |||||
| Female≠ | |||||
| Male | 0.829*** | 0.781*** | 0.898** | 0.825 | 0.942 |
| Age>85≠ | |||||
| Under 65 | 0.695*** | 0.894 | 0.623*** | 0.349*** | 1.937*** |
| 65–74 | 0.800*** | 0.900 | 0.688*** | 1.161 | 1.464*** |
| 75–84 | 0.947* | 0.996 | 0.885*** | 1.017 | 1.207*** |
| Highest Level of Schooling Completed: High School Diploma≠ | |||||
| Grade 11 or Less, including no schooling | 0.935** | 0.952 | 0.930 | 0.816 | 0.986 |
| Some college, technical school, college degree or higher | 1.017 | 1.014 | 1.020 | 0.951 | 1.052 |
| Education unknown | 0.876 | 1.064 | 0.665** | 0.705 | 0.937 |
| Single, Widowed Divorced≠ | |||||
| Married | 1.041 | 1.056 | 1.027 | 0.989 | 1.061 |
| Race: White≠ | |||||
| Hispanic | 0.723*** | 0.731*** | 0.658*** | 0.777 | 1.274 |
| Black | 0.583*** | 0.563*** | 0.601*** | 0.789 | 1.474*** |
| Other | 0.776** | 0.829 | 0.754* | 0.787 | 0.476* |
| Clinical Characteristics at Admission: | |||||
| Moderate pain daily or severe pain within the last 7 days | 0.898*** | 0.881* | 0.919* | 0.792 | 0.732*** |
| At least stage 2 pressure ulcer present | 0.899*** | 0.901* | 0.937 | 0.799 | 0.891 |
| Clinical Characteristics at Admission: | |||||
| Chemotherapy treatment | 0.875 | 0.822 | 0.842 | 1.253 | 0.577 |
| Renal dialysis treatment | 0.896 | 0.896 | 0.833 | 1.666 | 1.359 |
| Ventilator | 0.955 | 0.377 | 1.358 | 0.925 | 0.200 |
| Dx of dementia or Alzheimer’s disease | 1.093*** | - | - | 2.363*** | 0.948 |
| MDS Cognitive Performance Scale | 1.059*** | 1.057*** | 1.029* | 1.056 | 0.918*** |
| Depression | 1.012** | 1.015** | 1.013 | 1.016 | 1.006 |
| Aggressive behavior scale | 1.003 | 0.994 | 1.017 | 1.023 | 0.986 |
| # of co-morbidities | 0.981*** | 0.980** | 0.984* | 0.939** | 1.006 |
| # of activities of daily living | 0.995*** | 0.995** | 0.993*** | 1.015** | 0.987*** |
| Hospitalization | 1.982*** | 1.908*** | 2.092*** | 1.944*** | 1.456*** |
| Nursing Home Transfer | 2.531*** | 2.823*** | 2.573*** | 1.813*** | 14.593*** |
| Patients Admitted to Nursing Homes with the Following Characteristics: | |||||
| For-profit | 0.859*** | 0.852*** | 0.901** | 0.737** | 1.299*** |
| Chain affiliated | 1.043 | 1.039 | 1.049 | 1.120 | 1.038 |
| Hospital-based | 0.882* | 0.782** | 0.955 | 0.941 | 1.061 |
| Physician extenders | 1.061** | 1.061 | 1.041 | 1.089 | 1.077 |
| % Medicaid | 0.738*** | 0.677*** | 0.788* | 0.585 | 1.632** |
| % Medicare | 1.031 | 0.646* | 1.414 | 1.083 | 2.339** |
| Average RUGs | 0.348*** | 0.680 | 0.210*** | 0.851 | 1.605 |
| Occupancy rate | 0.929 | 1.021 | 0.910 | 0.738 | 0.716 |
| Total # of beds | 0.999*** | 0.999*** | 0.999*** | 0.999 | 1.000 |
| Patients Admitted to Nursing Homes with the Following Characteristics: | |||||
| CNA hours per resident day | 0.952** | 0.931** | 0.959 | 1.052 | 1.010 |
| LPN hours per resident day | 1.016 | 1.104 | 1.004 | 0.741 | 1.046 |
| RN hours per resident day | 1.162** | 1.075 | 1.158* | 0.817 | 0.955 |
| RN ratio to all nursing | 0.742** | 0.804 | 0.824 | 0.660 | 0.944 |
≠
Indicates reference category
*
0.05 = p <0.1
**
0.01 = p < 0.05
***
p < 0.01