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Table 3 Driving Performance

From: Glaucomatous visual fields and neurocognitive function are independently associated with poor lane maintenance during driving simulation

MEASURE

SUSPECT (n = 15)

GLAUCOMA (n = 22)

Mean

Lower 95% CI

Upper 95% CI

Mean

Lower 95% CI

Upper 95% CI

p-value

Steering Wheel Variability*

0.219

0.140

0.342

0.754

0.521

1.090

0.0001

Lateral Acceleration Variability*

0.0014

0.0009

0.0023

0.0052

0.0036

0.0076

<0.0001

Mean Velocity

24.76

24.02

25.50

24.93

24.32

25.55

0.72

Velocity Variability*

1.549

1.100

2.182

1.622

1.218

2.161

0.84

Longitudinal Acceleration Variability*

0.0155

0.0104

0.0230

0.0250

0.0180

0.0347

0.067

Overlimit 55 mph (%)

0.549

0.411

0.687

0.600

0.490

0.711

0.56

Overlimit 60 mph* (%)

0.077

0.041

0.145

0.152

0.087

0.263

0.11

Maximum Velocity

27.71

26.74

28.69

27.86

27.05

28.66

0.82

  1. *Lognormal distribution back transformed to original scale for reporting