Prognostic factors of hospital reattendance in older patients discharge alive after an acute emergency department (ED) contact
| 0–30 days | 0–360 days | ||||||||||
| %, total (n) | %, (n) | Crude SHR (95% CI) | P value | Adjusted SHR (95% CI)* | P value | %, (n) | Crude SHR (95% CI) | P value | Adjusted SHR (95% CI)* | P value | |
| Gender | |||||||||||
| Female | 55.4 (1994) | 15.8 (307) | 1 (ref) | 1 | 32.0 (623) | 1 | 1 | ||||
| Male | 44.6 (1570) | 14.0 (219) | 0.88 (0.74 to 1.04) | 0.142 | 0.95 (0.79 to 1.15) | 0.591 | 30.6 (480) | 0.94 (0.84 to 1.06) | 0.311 | 1.00 (0.88 to 1.14) | 0.985 |
| Age | 1.01 (1.00 to 1.02) | 0.029 | 1.00 (0.99 to 1.01) | 1.000 | 1.00 (0.99 to 1.01) | 0.478 | 1.00 (1.00 to 1.01) | 0.602 | |||
| Charlson Comorbidity Index | |||||||||||
| 0 | 28.8 (1015) | 12.7 (129) | 1 | 1 | 28.0 (284) | 1 | 1 | ||||
| 1–2 | 42.2 (1484) | 14.2 (210) | 1.12 (0.90 to 1.39) | 0.325 | 0.97 (0.77 to 1.22) | 0.800 | 32.4 (480) | 1.17 (1.01 to 1.35) | 0.040 | 1.12 (0.96 to 1.30) | 0.166 |
| ≥3 | 29.0 (1020) | 18.3 (187) | 1.47 (1.18 to 1.84) | 0.001 | 1.20 (0.93 to 1.53) | 0.155 | 33.2 (339) | 1.22 (1.04 to 1.43) | 0.013 | 1.15 (0.97 to 1.38) | 0.112 |
| Living status | |||||||||||
| Not alone | 42.4 (1474) | 13.7 (202) | 1 | 1 | 28.5 (420) | 1 | 1 | ||||
| Alone | 57.6 (2002) | 16.1 (322) | 1.19 (1.00 to 1.42) | 0.048 | 1.02 (0.83 to 1.26) | 0.855 | 33.9 (678) | 1.23 (1.09 to 1.39) | <0.001 | 1.23 (1.07 to 1.42) | 0.004 |
| Urgency | |||||||||||
| Less urgent | 62.3 (2161) | 15.1 (326) | 1 | 1 | 31.0 (669) | 1 | 1 | ||||
| Urgent | 37.7 (1305) | 14.7 (192) | 0.97 (0.81 to 1.15) | 0.708 | 0.99 (0.82 to 1.18) | 0.873 | 31.7 (413) | 1.02 (0.90 to 1.15) | 0.788 | 1.02 (0.90 to 1.16) | 0.351 |
| No of medications | |||||||||||
| <5 | 36.2 (1275) | 12.3 (157) | 1 | 1 | 29.4 (375) | 1 | 1 | ||||
| ≥5 | 63.8 (2244) | 16.4 (369) | 1.36 (1.13 to 1.64) | 0.001 | 1.23 (1.01 to 1.49) | 0.039 | 32.4 (728) | 1.13 (1.00 to 1.28) | 0.046 | 1.06 (0.93 to 1.21) | 0.351 |
| Length of stay | |||||||||||
| ED visit | 33.6 (1184) | 14.0 (166) | 1 | 1 | 41.8 (376) | 1 | 1 | ||||
| <48 hours | 13.0 (456) | 15.1 (69) | 1.08 (0.81 to 1.42) | 0.603 | 1.06 (0.80 to 1.41) | 0.688 | 36.0 (163) | 1.04 (0.89 to 1.22) | 0.581 | 1.15 (0.95 to 1.38) | 0.152 |
| ≥48 hours | 53.4 (1879) | 15.5 (291) | 1.10 (0.91 to 1.33) | 0.335 | 0.97 (0.80 to 1.18) | 0.765 | 30.0 (563) | 0.89 (0.80 to 0.99) | 0.035 | 0.88 (0.77 to 1.00) | 0.058 |
| Municipality healthcare | |||||||||||
| Independent | 50.3 (1772) | 11.5 (204) | 1 | 1 | 29.0 (513) | 1 | 1 | ||||
| Dependent | 33.9 (1192) | 19.7 (235) | 1.78 (1.47 to 2.14) | <0.001 | 1.67 (1.34 to 2.10) | <0.001 | 36.5 (435) | 1.33 (1.17 to 1.51) | <0.001 | 1.28 (1.09 to 1.50) | 0.002 |
| In residential care | 15.8 (555) | 15.7 (87) | 1.08 (1.08 to 1.77) | 0.011 | 1.33 (0.98 to 1.81) | 0.063 | 27.9 (155) | 0.95 (0.80 to 1.14) | 0.609 | 0.88 (0.71 to 1.09) | 0.242 |
Proportions, SHRs, and p-values < 0.05 presented as bold values.
*Competing-risks regression model adjusted for gender, age as continuous variable, Charlson Comorbidity Index (0, 1–2, ≥3), number of medications (<5, ≥5), length of stay, living alone, urgency level (urgent, less urgent), and municipality healthcare the month before index contact as categorical variable.
SHR, sub-HR.