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Table 2 DRLci for head CT

From: Diagnostic Reference Levels based on clinical indications in computed tomography: a literature review

Head CT
References Acute stroke/post fossa Acute stroke/cerebrum Acute stroke/brain (whole) Acute stroke/all sequences Haemorrhage, aneurysms, arteriovenous malformations Metastases, cerebral abscess Trauma, sinusitis Cholesteatoma Sinusitis
  CTDIvol (mGy) DLP (mGy.cm) CTDIvol (mGy) DLP (mGy.cm) CTDIvol (mGy) DLP (mGy.cm) CTDIvol (mGy) DLP (mGy.cm) CTDIvol (mGy) DLP (mGy.cm) CTDIvol (mGy) DLP (mGy.cm) CTDIvol (mGy) DLP (mGy.cm) CTDIvol (mGy) DLP (mGy.cm) CTDIvol (mGy) DLP (mGy.cm)
Danish Health Authority (DK) 2015 [10] 58 930
Public Health England (UK) 2016 [11] 80 60 60 970
Schegerer et al. (DE) 2017 [12] 9 120
Treier et al. (CH) 2010 (22) 65 1000 65 1000 25 350 50 250
Van der Molen et al. (NL) 2013 [13] 936 133
Wachabauer et al. (AT) 2017 [14] 90
Geryes et al. (FR) 2019 [15] 44 1010 44 790 43 920
Ireland (IE) MERU 2017 [16] 26 (a) 469 (a) 62 (a) 918 (a) 21 (a) 183 (a)
31 (b) 477 (b) 64 (b) 927 (b) 21 (b) 210 (b)
Norway (NO) 2018 [17] 60 950 60 950
Sweden (SE) 2019 [18] 60 1000 60 1000 60 1000 -
  1. aFor female patients
  2. bFor male patients