Table 2.
DRLci for head CT
| 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 | – | – | – | - |
aFor female patients
bFor male patients