TABLE 1.

Baseline Patient Characteristics*

Weekend Admission (n = 7052)Weekday Admission (n = 13 495)PEvening Admission (n = 12 746)Daytime Admission (n = 7801)P
Overall mortality rate, (%)4.71 (4.23–5.23)4.71 (4.36–5.08).994.59 (4.23–4.97)4.91 (4.44–5.41).29
Death within 48 h (%)2.28 (1.95–2.66)2.17 (1.93–2.43).612.24 (1.99–2.52)2.15 (1.84–2.50).67
Male, (%)57.4 (56.3–58.6)57.2 (56.4–58.0).7457.8 (57.0–58.7)56.4 (55.3–57.5).04
Age, (y)6.1 (5.9–6.2)5.8 (5.7–5.9).016.1 (6.0–6.2)5.6 (5.5–5.8)<.01
PRISM III-24 score5.7 (5.5–5.9)5.9 (5.7–6.0).125.5 (5.4–5.6)6.3 (6.1–6.4)<.01
Previous PICU admission (%)3.4 (3.0–3.9)4.0 (3.7–4.4).043.0 (2.7–3.3)5.2 (4.7–5.7)<.01
Postoperative, (%)8.4 (7.7–9.1)10.2 (9.65–10.7)<.019.7 (9.2–1.0)9.27 (8.6–9.9).28
Transfer from ward, (%)34.9 (33.8–36.1)36.8 (35.9–37.6).0135.2 (3.4–3.6)37.8 (3.7–3.9)<.01
Vasoactives within 24 h, (%)16.0 (15.1–16.9)17.1 (16.5–17.8).0415.1 (14.5–15.7)19.5 (18.6–20.4)<.01
Ventilation within 24 h, (%)35.2 (34.1–36.4)36.4 (35.5–37.2).1134.5 (33.7–35.3)38.4 (37.3–39.5)<.01
  • * Weekend admission was defined as admission between 7 pm Friday and 7 am Monday. Evening admission was defined as admission between 5 pm and 7 am Monday through Sunday. Values are mean and 95% CI.