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[Statistical analysis on 1,500 urinary calculi by using microcomputer].

R Ikeda, K Suzuki, T Tanaka

    Hinyokika Kiyo. Acta Urologica Japonica
    |February 1, 1984
    PubMed
    Summary
    This summary is machine-generated.

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    Infrared spectroscopy revealed calcium oxalate combined with calcium phosphate as the most frequent urinary calculi type. Analysis of 1,500 calculi using microcomputers significantly accelerated statistical analysis.

    Area of Science:

    • Urology
    • Biochemistry
    • Medical Informatics

    Background:

    • Urinary calculi (kidney stones) analysis is crucial for understanding their composition and guiding treatment.
    • Infrared spectroscopy is a standard method for determining the chemical composition of urinary calculi.
    • Previous analysis of 300 calculi took one month, highlighting the need for more efficient methods.

    Purpose of the Study:

    • To analyze a large cohort of urinary calculi using infrared spectroscopy.
    • To statistically analyze the prevalence of different urinary calculi types.
    • To assess changes in calculi composition over time and evaluate the efficiency of microcomputer-assisted analysis.

    Main Methods:

    • Infrared spectroscopy was employed to analyze over 1,500 urinary calculi samples.

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  • Microcomputer statistical analysis was utilized to process the collected spectroscopic data.
  • Comparison of current findings with data from four years prior was performed.

    • Main Results:

    • Calcium oxalate combined with calcium phosphate was identified as the most prevalent urinary calculi type.
    • Pure calcium oxalate and magnesium ammonium phosphate combined with calcium phosphate were the next most frequent types.
    • A notable increase in the incidence of magnesium ammonium phosphate combined with calcium phosphate was observed compared to four years ago.
    • Microcomputer analysis of 1,500 calculi was completed in sixteen days, a significant improvement over previous methods.

    Conclusions:

    • Calcium oxalate and calcium phosphate are the predominant components of urinary calculi in this study population.
    • There is an increasing trend in magnesium ammonium phosphate and calcium phosphate calculi.
    • Microcomputer integration has dramatically enhanced the speed and efficiency of urinary calculi data analysis.