< 8 days (Ref.) | 8–14 days | 15–29 days | ≥ 30 days | |||
---|---|---|---|---|---|---|
30-day Readmission | ||||||
AD Cohort | n Readmitted/ n (%)a | 606/5486 (11.0) | 64/533 (12.0) | 85/725 (11.7) | 109/1180 (9.2) | 348/3048 (11.4) |
RR (95% CI) Unadjusted | 1.00 | 0.97 (0.69–1.38) | 0.75 (0.54–1.03) | 0.95 (0.71–1.26) | ||
RR (95% CI) b | 1.00 | 0.97 (0.69–1.38) | 0.75 (0.54–1.04) | 0.93 (0.70–1.24) | ||
RR (95% CI) c | 1.00 | 0.99 (0.70–1.40) | 0.76 (0.54–1.05) | 0.92 (0.69–1.24) | ||
Non-AD Cohort | n Readmitted/ n (%)c | 753/5483 (13.7) | 99/515 (19.2) | 99/847 (11.7) | 154/1384 (11.1) | 401/2737 (14.7) |
RR (95% CI) Unadjusted | 1.00 | 0.56 (0.41–0.75) | 0.53 (0.40–0.69) | 0.72 (0.57–0.92) | ||
RR (95% CI) b | 1.00 | 0.58 (0.42–0.78) | 0.56 (0.42–0.74) | 0.77 (0.60–0.98) | ||
RR (95% CI) c | 1.00 | 0.57 (0.42–0.77) | 0.55 (0.42–0.73) | 0.74 (0.58–0.95) | ||
90-day Readmission | ||||||
AD Cohort | n Readmitted/ n (%)c | 958/5486 (17.5) | 93/533 (17.4) | 117/725 (16.1) | 186/1180 (15.8) | 562/3048 (18.4) |
RR (95% CI) Unadjusted | 1.00 | 0.91 (0.68–1.23) | 0.89 (0.67–1.23) | 1.07 (0.84–1.36) | ||
RR (95% CI) b | 1.00 | 0.91 (0.67–1.23) | 0.89 (0.67–1.17) | 1.06 (0.83–1.36) | ||
RR (95% CI) c | 1.00 | 0.92 (0.68–1.24) | 0.90 (0.68–1.18) | 1.06 (0.83–1.36) | ||
Non-AD Cohort | n Readmitted/ n (%)c | 1179/5483 (21.5) | 125/515 (24.3) | 158/847 (18.7) | 253/1384 (18.3) | 643/2737 (23.5) |
RR (95% CI) Unadjusted | 1.00 | 0.72 (0.55–0.93) | 0.70 (0.55–0.89) | 0.96 (0.77–1.19) | ||
RR (95% CI) b | 1.00 | 0.72 (0.55–0.95) | 0.72 (0.56–0.92) | 1.00 (0.80–1.24) | ||
RR (95% CI) c | 1.00 | 0.71 (0.55–0.93) | 0.71 (0.56–0.92) | 0.97 (0.78–1.22) |