TABLE 6

Comparison of Readmissions at 0–7, 8–15, and 0–15 Days

0–7 d (N = 1514)8–15 d (N = 1032)Pa0–15 d (N = 2546)
Acute illnesses, n (% [95% CI])373 (24.6 [22.5–26.9])186 (18.0 [15.8–20.5])<.001559 (22.0 [20.4–23.6])
Chronic illnesses, n (% [95% CI])1141 (75.4 [73.1–77.5])846 (82.0 [79.5–84.2])1987 (78.0 [76.4–79.6])
Planned readmissions, n (% [95% CI])272 (18.0 [16.1–20.0])253 (24.5 [21.9–27.3])<.001525 (20.6 [19.1–22.3])
Unplanned readmissions, n (% [95% CI])1242 (82.0 [80.0–83.9])779 (75.5 [72.7–78.1])2021 (79.4 [77.7–80.9])
Common patient groups, n (% [95% CI])
    Oncology453 (29.9 [27.6–32.3])357 (34.6 [31.7–37.6])810 (31.8 [30–33.7])
    Infectious disease131 (8.65 [7.3–10.2])62 (6.0 [4.7–7.7])193 (7.6 [6.6–8.7])
    Gastrointestinal disease122 (8.1 [6.8–9.6])75 (7.3 [5.8–9.1])197 (7.7 [6.8–8.9])
    Newborns114 (7.5 [6.3–9])52 (5.0 [3.8–6.6])166 (6.5 [5.6–7.6])
    Cardiology97 (6.4 [5.2–7.7])67 (6.5 [5.1–8.2])164 (6.4 [5.5–7.4])
    Severe neurocompromise89 (5.9 [4.8–7.2])67 (6.5 [5.1–8.2])156 (6.1 [5.2–7.1])
    Pulmonary diseases81 (5.35 [4.3–6.6])49 (4.75 [3.6–6.3])130 (5.1 [4.3–6.1])
    General surgery60 (4.0 [3.1–5.1])19 (1.8 [1.1–2.9])79 (3.1 [2.5–3.9])
    Neurosurgery55 (3.6 [2.8–4.7])50 (4.8 [3.7–6.4])105 (4.1 [3.4–5])
Age at index admission, median (quartiles),b y3.3 (0.4, 11.6)4.3 (0.6, 12.6).0133.5 (0.5, 12.3)
Index admission LOS, median (quartiles), d3 (2, 6)4 (2, 8)<.0013 (2, 7)
Readmission LOS, median (quartiles), d3 (2, 6)3 (2, 6)3 (2, 6)
  • a P value for the comparison of readmissions at 0–7 days vs 8–15 days.

  • b Quartiles are (25th, 75th) percentiles.