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635,453 results
  • On the empirical choice of the time window for restricted mean survival time. [Journal Article]
    Biometrics 2020Tian L, Jin H, … Wei LJ
  • The t-year mean survival or restricted mean survival time (RMST) has been used as an appealing summary of the survival distribution within a time window [0, t]. RMST is the patient's life expectancy until time t and can be estimated nonparametrically by the area under the Kaplan-Meier curve up to t. In a comparative study, the difference or ratio of two RMSTs has been utilized to quantify the bet…
  • Selective retina therapy monitoring by speckle variance optical coherence tomography for dosimetry control. [Journal Article]
    J Biomed Opt 2020; 25(2):1-9Lee S, Wei S, … Kang J
  • CONCLUSIONS: Selective retina therapy (SRT) selectively targets the retinal pigment epithelium (RPE) and reduces negative side effects by avoiding thermal damages of the adjacent photoreceptors, the neural retina, and the choroid. However, the selection of proper laser energy for the SRT is challenging because of ophthalmoscopically invisible lesions in the RPE and different melanin concentrations among patients or even regions within an eye.We found a reliable correlation between the svOCT peak values and the degree of retinal lesion formation, which can be used for selecting proper laser energy during SRT.
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