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Comparison of weeding test indexes between VP and HC. (A) Span forward. (B) Velocity forward. (C) Span backward. (D) Velocity backward. The upper and lower lines represent the 95th and 5th percentiles, respectively, and the horizontal line within the box is the median. VP, patients with vertigo; HC, healthy controls. ***P < 0.01, *P < 0.05.
