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Table 2 Line and dots - mean errors for vertical and horizontal tasks

From: From line to dots: an improved computerised rod and frame system for testing subjective visual vertical and horizontal

   Frame-18 Frame° Frame+18
   line dot line dot line dot
   Mean ± SD Mean ± SD Mean ± SD Mean ± SD Mean ± SD Mean ± SD
Vertical
(n = 30)
S -0.99 ± 0.89 -1.21 ± 1.75 0.05 ± 0.44 -0.71 ± 0.71 1.06 ± 1.19 0.81 ± 1.00
  US 1.26 ± 0.75 1.78 ± 1.25 0.44 ± 0.31 0.81 ± 0.51 1.34 ± 1.03 1.14 ± 0.80
Horizontal
(n = 30)
S -0.99 ± 1.49 -1.79 ± 1.76 -0.06 ± 0.33 -0.07 ± 0.54 0.55 ± 1.00 1.60 ± 1.64
  US 1.12 ± 1.43 1.95 ± 1.58 0.35 ± 0.26 0.59 ± 0.29 0.82 ± 0.83 1.94 ± 1.24
  1. Comparison of mean signed (S) and unsigned (US) errors (degrees from gravitational vertical and horizontal) for rod as line versus dots (same individual) and SVH versus SVV (different individuals). Values are mean ± standard deviation.