Table 1

Baseline characteristics of the paediatric intermediate care unit population

Baseline characteristicsTotal, n=2870Included patients, n=2636Excluded patients*, n=234P value
Sex ratio1.261.261.32ns
Median age months (IQR)29 (5–103)28 (5–98)42 (7–162)0.01
Median length of stay days (IQR)1.0 (1.0–3.0)1.5 (0.8–2.7)0.2 (0.1–0.3)<10−4
Comorbidities, n (%)†945 (32.9)876 (33.2)69 (29.5)ns
Location prior to admission, n (%)†0.001
  Emergency2006 (69.9)1851 (70.2)155 (66.2)
  Paediatric ward386 (13.4)361 (13.7)25 (10.7)
  Operating room71 (2.5)68 (2.6)3 (1.3)
  PICU25 (0.9)25 (0.9)0 (0.0)
  Home377 (13.1)328 (12.4)49 (20.9)
Type of stay, n (%)†ns
  Medical2714 (94.6)2490 (94.5)224 (95.7)
  Surgical119 (4.1)113 (4.3)6 (2.6)
Primary reason for admission, n (%)†0.002
  Respiratory1272 (44.3)1191 (45.2)81 (34.6)
  Neurological627 (21.8)580 (22.0)47 (20.0)
  Cardiovascular218 (7.6)198 (7.5)20 (8.5)
  Gastrointestinal222 (8.2)202 (7.7)20 (8.5)
  Others529 (18.4)465 (17.6)64 (27.3)
Cause of primary diseases, n (%)†<10−4
 Infectious1546 (53.9)1450 (55.0)96 (41.0)
 Toxicological201 (7.0)176 (6.7)25 (10.7)
 Congenital136 (4.7)127 (4.8)9 (3.8)
 Trauma126 (4.4)114 (4.3)12 (5.1)
 Oncological65 (2.3)42 (1.6)23 (9.8)
 Others794 (27.7)727 (27.6)67 (28.6)
Destination, n (%)†
  Home1024 (35.7)937 (35.5)87 (37.2)
  Paediatric ward1586 (55.3)1487 (56.4)99 (42.3)
  Others246 (8.6)201 (7.6)45 (19.2)
 Transfer to PICU n (%)†85 (3.0)68 (2.6)17 (7.3)<10−4
 Death, n110
Median score at admission (IQR)
  PAWS2 (0–4)3 (2–4)2 (1–4)0.001
  PEWS0 (0–2)1 (0–3)0 (0–3)0.005
  Bedside PEWS3 (0–5)3 (2–6)3 (1–5)0.004
  • *Numbers and percentages take into account missing data.

  • †234 excluded patients: lost records (n=2), at least one score missing at H0 (n=27), at least one score could not be computed after H0 (n=205).

  • Bedside PEWS, Bedside Paediatric Early Warning System; ns, not significant; PICU, paediatric intensive care unit; PAWS, Paediatric Advanced Warning Score; PEWS, Paediatric Early Warning Score.