< 4 days (Ref.) | 4–7 days | 8–14 days | ≥ 15 days | |||
---|---|---|---|---|---|---|
30-day Readmission | ||||||
AD Cohort | n Readmitted/ n (%) | 672/6266 (10.7) | 399/3233 (12.3) | 153/1814 (8.4) | 79/877 (9.0) | 41/342 (12.0) |
RR (95% CI) Unadjusted | 1.00 | 0.65 (0.54–0.80) | 0.70 (0.55–0.91) | 0.97 (0.69–1.36) | ||
RR (95% CI) a | 1.00 | 0.68 (0.55–0.83) | 0.72 (0.55–0.93) | 0.95 (0.67–1.34) | ||
RR (95% CI) b | 1.00 | 0.67 (0.54–0.82) | 0.72 (0.55–0.94) | 0.89 (0.63–1.30) | ||
Non-AD Cohort | n Readmitted/ n (%) | 836/6266 (13.3) | 463/3023 (15.3) | 233/1955 (11.9) | 103/968 (10.6) | 37/320 (11.6) |
RR (95% CI) Unadjusted | 1.00 | 0.75 (0.63–0.89) | 0.66 (0.52–0.83) | 0.72 (0.51–1.03) | ||
RR (95% CI) a | 1.00 | 0.79 (0.67–0.94) | 0.69 (0.55–0.87) | 0.73 (0.51–1.05) | ||
RR (95% CI) b | 1.00 | 0.82 (0.69–0.98) | 0.72 (0.57–0.91) | 0.72 (0.50–1.04) | ||
90-day Readmission | ||||||
AD Cohort | n Readmitted/ n (%) | 1059/6266 (16.9) | 586/3233 (18.1) | 276/1814 (15.2) | 128/877 (14.6) | 69/342 (20.0) |
RR (95% CI) Unadjusted | 1.00 | 0.81 (0.69–0.95) | 0.77 (0.63–0.95) | 1.14 (0.86–1.51) | ||
RR (95% CI) a | 1.00 | 0.83 (0.71–0.98) | 0.79 (0.63–0.98) | 1.12 (0.85–1.49) | ||
RR (95% CI) b | 1.00 | 0.83 (0.70–0.97) | 0.80 (0.64–0.99) | 1.11 (0.84–1.49) | ||
Non-AD Cohort | n Readmitted/ n (%) | 1300/6266 (20.7) | 655/3023 (21.7) | 403/1955 (20.6) | 181/968 (18.7) | 61/320 (19.1) |
RR (95% CI) Unadjusted | 1.00 | 0.94 (0.82–1.08) | 0.83 (0.70–0.99) | 0.85 (0.64–1.14) | ||
RR (95% CI) a | 1.00 | 0.97 (0.84–1.12) | 0.85 (0.71–1.03) | 0.85 (0.63–1.14) | ||
RR (95% CI) b | 1.00 | 0.99 (0.86–1.14) | 0.88 (0.73–1.07) | 0.87 (0.64–1.17) |