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Table 2 Volume of short-tau inversion recovery hyper-intense pixels and measures of lesion relative signal intensities

From: Quantifying bone marrow inflammatory edema in the spine and sacroiliac joints with thresholding

  Spine (N = 58) SI joints (N = 36)
volume hyper (cm3) 2.92 ± 3.86 (0.04–17.86) 2.77 ± 4.18 (0.03–19.04)
S RelHyper,  mean 1.69 ± 0.12 (1.41–2.01) 0.66 ± 0.13 (0.45–0.92)
S RelHyper,  median 1.72 ± 0.23 (1.31–2.26) 0.63 ± 0.23 (0.38–1.07)
S RelHyper,  75perc 2.09 ± 0.16 (1.79–2.26) 0.83 ± 0.23 (0.47–1.07)
S RelHyper,  90perc 2.24 ± 0.04 (2.05–2.26) 1.00 ± 0.14 (0.57–1.07)
  1. STIR short-tau inversion recovery, SI sacroiliac, volume hyper volume of STIR hyper-intensity, S RelHyper relative signal intensities of STIR hyper-intense pixels, 75perc 75-percentile, 90perc 95-percentile