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Table 2: Radiation doses of traditional and modified dynamic CTM
Traditional Dynamic CTM Technique Modified Dynamic CTM Technique P Value
No of patients 25 12 
Mean radiation dose 
 CTDI 13.4 (range, 6.6–31.6) mGy 10.6 (range, 4.0–28.3) mGy .24
 DLP 647.2 (range, 259.1–727.2) mGy cm 406.7 (range, 165.7–747.5) mGy cm .01
Total effective dose 31.3 (range, 11.3–68.4) mSv 15.1 (range, 4.8–24.6) mSv <.0001
Note:—CTDI indicates CT dose index; DLP, dose-length product.

	Traditional Dynamic CTM Technique	Modified Dynamic CTM Technique	P Value
No of patients	25	12
Mean radiation dose
CTDI	13.4 (range, 6.6–31.6) mGy	10.6 (range, 4.0–28.3) mGy	.24
DLP	647.2 (range, 259.1–727.2) mGy cm	406.7 (range, 165.7–747.5) mGy cm	.01
Total effective dose	31.3 (range, 11.3–68.4) mSv	15.1 (range, 4.8–24.6) mSv	<.0001