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Characteristic Brain C-spine Chest KUB T-spine kVp 120 120 120 120 125,135 mAs 318 (29) 826 (301) 981 (184) 1,371 (711) 2,711 (776) Scan length (mm) 231 (20) 252 (41) 408 (34) 408 (46) 312 (70) Slice thickness 3 0.5 3 3 0.5 Scan time (s) 12 (1) 6 (1) 3 (1) 8 (2) 20 (4) Rotation time (s) 0.75 0.5 0.35 0.5 NA Values are presented as mean (standard deviation), kVp: peak kilovoltage, mAs: milliampere-seconds, s: seconds, KUB: kidneys, ureters, and bladder, CT: computed tomography, C-spine: cervical spine, KUB: kidneys, ureters and bladder; T-spine: thoracic spine
Characteristic Brain C-spine Chest KUB T-spine CTDI (mGy) 59 (57, 63) 6 (5, 8) 6 (5, 6) 5 (3, 8) 12 (9, 14) DLP (mGy.cm) 1,079 (1,022, 1,187) 160 (130, 196) 205 (168, 243) 223 (166, 366) 580 (462, 796) SSDE (mGy) 118 (115, 126) 12 (10, 16) 8 (7, 8) 7 (6, 10) 17 (14, 20) 1 LDRL (25th quartile, 75th quartile), C-spine: cervical spine, KUB: kidneys, ureters and bladder, T-spine: thoracic spine, CTDI: computed tomography dose index, DLP: dose length product, SSDE: size-specific dose estimate