Skip to main content

Table 2 Comparison of pre- and post-intervention outcomes

From: Impact of the Canadian CT head rule supplemented by the original published minimum inclusion criteria to assist emergency department clinicians’ assessment of patients presenting post fall from residential aged care: a retrospective audit

  2018 2019
(N = 233) % (N = 241) % Difference   p-value
ED CTB performed 134 57.0% 90 37.3% 19.7%   < 0.01**
Confirmed ICH on ED CTB 5 / 134 3.7% 5 / 90 5.6% 1.9%   0.52
Chemical restraint used in ED CTB 4 / 134 3.0% 2 / 90 2.2% 0.8%   1.0
Physical restraint used in ED CTB 0 / 134 0.0% 0 / 90 0.0% 0.0%  
Missed presentation** 1 0.4% 2 0.8% −0.4%   1.0
Ward CTB performed 14/79 17.7% 13/69 18.8% −1.1%   0.86
Abnormal ward CTB 3 / 14 21.4% 3 / 13 23.1% −2.3%   1.0
ICH on ward CTB 1 / 14 7.1% 2 / 13 15.4% −8.3%   0.60
Neurosurgical intervention 0 / 134 0.0% 0 / 90 0.0% 0.0%  
  1. ED Emergency Department, CTB Computed tomography of the brain, ICH Intracranial haemorrhage, Ward CTB = CTBs subsequently performed on patients who were admitted to the ward from ED
  2. ** ‘Missed presentation’: patients who represented with an intracranial haemorrhage not diagnosed on the initial fall presentation. This was captured by reviewing two weeks of medical records following the index presentation