Analysis of CTDIvol and DLP Measurements Using the Wilcoxon Signed-Rank Test in Non-Contrast MSCT Urography Examinations at Tidar Hospital Magelang City
DOI:
https://doi.org/10.30738/Keywords:
CTDIvol, DLP, Computed Tomography Scanning, urography, Radiation Dose, I-DRLAbstract
This study aimed to assess and compare the amount of radiation received during non-contrast MSCT urography examinations at the Radiology Department of Tidar Hospital, Magelang City. The radiation measurements included CTDIvol and DLP, which were then compared with the Indonesian diagnostic reference values (IDRL) determined by BAPETEN. The method used in this study was a quantitative descriptive approach involving 30 patients. Data analysis was performed using SPSS software and the Wilcoxon Signed-Ranks Test. The results showed an average CTDIvol dose of 6.1 mGy for men and 5.8 mGy for women, and a DLP dose of 294.5 mGy cm (men) and 300.6 mGy cm (women). Based on age, the 22–59 year old group had an average CTDIvol of 6.2 mGy and a DLP of 315.8 mGy•cm, while the 60–75 year old group had a CTDIvol of 5.3 mGy and a DLP of 249.4 mGy•cm. All values were lower than the I-DRL (17 mGy and 830 mGy•cm). Statistical test results showed a significant difference (p<0.001), indicating that the protocol used was standard and safe.
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