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Figure 5: Computed tomography dose index at the center (CTDIc) and periphery (CTDIp) and the the weighted computed tomography dose index (CTDIw) for the head phantoms, using different kVp and beam width settings of (a) 4 mm, (b) 8 mm, (c) 16 mm, and (d) 32 mm

Figure 5: Computed tomography dose index at the center (CTDI<sub>c</sub>)  and periphery (CTDI<sub>p</sub>) and the the weighted  computed  tomography dose index (CTDI<sub>w</sub>) for the head phantoms, using different kVp and beam width settings of (a) 4 mm, (b) 8 mm, (c) 16 mm, and (d) 32 mm