Table 1.
Demographic characteristics of hospitalizations with atrial fibrillation on weekend and weekday
| AF on weekday | AF on weekend | P value | |
|---|---|---|---|
| Unweighted index admissions | 752,845 | 180,573 | |
| Weighted index admissions | 3,645,465 | 874,944 | |
| Age in years at admission | |||
| Mean age (in years), standard deviation | 69.85, 13.90 | 70.02, 14.74 | < 0.0001 |
| 18 to 34 | 1.48% | 2.08% | < 0.0001 |
| 35 to 49 | 6.54% | 7.37% | |
| 50 to 64 | 24.39% | 22.73% | |
| 65 to 79 | 39.63% | 37.23% | |
| Greater than 80 | 27.85% | 30.49% | |
| Died during hospitalization | < 0.0001 | ||
| Did not die | 99.11% | 98.92% | |
| Died | 0.89% | 1.08% | |
| Disposition | < 0.0001 | ||
| Routine | 76.44% | 72.63% | |
| Transfer to short-term hospital | 2.37% | 2.73% | |
| Transfer other: includes Skilled Nursing Facility (SNF), Intermediate Care Facility (ICF), and another type of facility | 9.51% | 11.94% | |
| Home Health Care (HHC) | 10.01% | 10.55% | |
| Against medical advice (AMA) | 0.76% | 1.05% | |
| Died in hospital | 0.89% | 1.08% | |
| Discharged alive, destination unknown | 0.02% | 0.02% | |
| Elective vs. non-elective admission | < 0.0001 | ||
| Non-elective | 82.70% | 95.35% | |
| Elective | 17.30% | 4.65% | |
| Indicator of sex | < 0.0001 | ||
| Male | 50.26% | 47.74% | |
| Female | 49.74% | 52.26% | |
| Length of hospital stay | |||
| Mean length of stay (days) ± standard deviation | 3.48 ± 3.72 | 3.52 ± 3.79 | < 0.0001 |
| 0–3 days | 65.66% | 64.67% | < 0.0001 |
| 4 to 6 days | 22.56% | 25.13% | |
| 7 to 9 days | 7.45% | 5.38% | |
| 10 to 12 days | 2.15% | 2.84% | |
| > 12 days | 2.15% | 1.98% | |
| Primary expected payer | < 0.0001 | ||
| Medicare | 65.49% | 81.93% | |
| Medicaid | 4.08% | 8.25% | |
| Private insurance | 25.29% | 5.76% | |
| Self-pay | 2.83% | 1.47% | |
| No charge | 0.32% | 0.46% | |
| Other | 1.99% | 2.13% | |
| Race | < 0.0001 | ||
| White | 83.39% | 81.93% | |
| Black | 7.49% | 8.25% | |
| Hispanic | 5.13% | 5.76% | |
| Asian | 1.35% | 1.47% | |
| Pacific Islander | 0.51% | 0.46% | |
| Other | 2.13% | 2.13% | |
| Cost of hospitalization in USD-(mean) | 8414.7 ± 10,343 | 7479 ± 8785.9 | < 0.0001 |
| Bed size of the hospital | < 0.0001 | ||
| Small | 13.52% | 14.27% | |
| Medium | 24.91% | 26.12% | |
| Large | 61.57% | 59.61% | |
| Location/teaching status of the hospital | < 0.0001 | ||
| Rural | 13.62% | 14.80% | |
| Urban-non-teaching | 41.30% | 43.86% | |
| Urban-teaching | 45.08% | 41.34% | |
| Cardioversion | 23.62% | 14.17% | < 0.0001 |