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Table 5 Proportions (%) of patients encountered at different times of day. Fisher’s test was used to compare the proportions of patients with and without each secondary outcome inside the time categories

From: Why do infants need out-of-hospital emergency medical services? A retrospective, population-based study

  Time of the day
  6:00–14:00 14:00–22:00 22:00–6:00
% of all (N = 28) patients with PICU admissions 21.4% 60.7% 17.9%
% of all (N = 1682) patients without PICU admission 27.3% 44.6% 28.1%
  P = 0.26
% of all (N = 91) patients with medical state other than good upon arrival at ED 25.3% 44.0% 30.8%
% of all (N = 1619) patients with medical state good upon arrival at ED or ED care not required 27.3% 45.1% 27.6%
  P = 0.78
% of all (N = 386) patients with any medication or respiratory support given at ED 24.6% 38.6% 36.8%
% of all (N = 1324) patients without any medication or respiratory support given at ED 28.0% 46.7% 25.3%
  P < 0.01
% of all (N = 336) patients with hospitalizationa 21.7% 50.3% 28.0%
% of all (N = 1363) patients without hospitalizationa 28.6% 43.5% 27.9%
  P = 0.02
% of all (N = 18) patients with surgical proceduresb
during the same visita
44.4% 55.6% 0.0%
% of all (N = 1692) patients without surgical proceduresb
during the same visita
27.1% 44.7% 28.2%
  P = 0.01
  1. ED Emergency department, PICU Pediatric intensive care unit
  2. aDuring the same hospital visit beginning within 72 h after initial EMS contact
  3. bExcluding minor procedures performed at the ED, e.g. insertion of a nasogastric tube