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Table 5 Quantitative comparison of image quality between the two observers in patients with bladder cancer

From: Diffusion-weighted magnetic resonance imaging in bladder cancer: comparison of readout-segmented and single-shot EPI techniques

  RS-EPI SS-EPI
Observer 1 Observer 2 p-value Observer 1 Observer 2 p-value
SNR 118.1 ± 61.56 125.93 ± 49.69 0.150 122.64 ± 54.97 128.88 ± 57.28 0.310
CNR 4.95 ± 1.39 4.81 ± 1.36 0.236 4.18 ± 1.26 3.99 ± 1.28 0.080
SIR 5.42 ± 1.45 5.57 ± 1.57 0.083 5.18 ± 1.37 5.27 ± 1.45 0.368
  1. Note: SNR Signal-to-noise ratio, CNR Contrast-to-noise ratio, SIR Signal intensity ratio