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Table 1 The data extracted from a number of studies conducted on patients infected with COVID-19: focusing on chest CT scanning parameters

From: A review on chest CT scanning parameters implemented in COVID-19 patients: bringing low-dose CT protocols into play

Author name No. of cases Studied population Tube voltage (kV) Tube current (mA) Tube current-time (mAs) Pitch factor CTDIvol (mGy) DLP (mGy cm)
Yoon et al. [23] 9 Median age, 54 years 120 30 (low dose) to 60–120 (standard)
Xu et al. [24] 90 Adults (18–86 years) 120 210
Xia et al. [25] 20 Pediatrics (1 day–14 years 7 months) 120 100 to 150 1
Wang et al. [26] 114 Adults (23–78) 120 320 1–1.5 (for severe and critical cases)
Li et al. [27] 120 100–250 1–1.5
Liu et al. [28] 59 Pregnant women (n = 41) and non-pregnant adults (n = 14) (22–42 years) and pediatrics (2 months–9 years, n = 4) 120 (pregnant women and non-pregnant adults) and 100 (pediatrics) 10–300 (pregnant women), 120–380 (non-pregnant adults), and 30–100 (pediatrics) 1.375:1 (pregnant women), 1.0875:1 or 1.375:1 (non-pregnant adults), and 0.969:1 (pediatrics) 50–150 (pregnant adults)
Shen et al. [29] 44 Mean age for the non-severe patient group, 52.17 ± 12.55 years and for the severe patient group, 57.25 ± 13.38 years 120 30–140
Song et al. [12] 51 Adults (16–76 years) 120 180–400 1.5
Xu et al. [30] 50 Pediatrics (n = 5) and adults (n = 45) (3–85 years) 120 40–250 0.984:1
Albarello et al. [31] 2 Adults (66 and 67 years) 120 250 1.375
Pan et al. [32] 21 Adults (25–63 years) 120 8.4 ± 2.0 (5.2–12.6)