Table 2 Result of driving simulator of study participants with and without subjective symptoms during driving.

From: Discrepancy and agreement between subjective symptoms and visual field impairment in glaucoma patients at a driving assessment clinic

 

With subjective symptoms (n = 68)

Without subjective symptoms (n = 125)

P value

Number of cases with one or more collisions in the DS

55

90

0.53*

Average number of collisions in the DS

2.2 ± 2.1

2.1 ± 2.1

0.63†

Horizontal spread of search (pixel)

186.1 ± 40.3

185.7 ± 41.1

0.93†

Vertical spread of search (pixel)

92.2 ± 22.7

97.3 ± 20.5

0.18†

  1. Values are mean ± standard deviation.
  2. DS driving simulator
  3. †P indicates Wilcoxon rank sum test.
  4. *P indicates chi-square test.
Back to article page