Comparison of demographic, driving and vision characteristics of study participants by group
| Characteristics | Normal control (n=43) | Glaucoma (n=95) | p Value |
|---|---|---|---|
| Demographic | |||
| Age (years) | 53.8±8.5 | 57.4±7.7 | 0.022† |
| Gender (male/female) | 26/17 | 66/29 | 0.298† |
| Driving | |||
| Driving years | 30.8±9.8 | 34.3±8.5 | 0.048* |
| Driving exposure (hours/week) | 9.9±11.0 | 6.5±7.2 | 0.074* |
| Number of MVAs by group | 5 (11.3%) | 17 (17.9%) | 0.455‡ |
| Visual acuity | |||
| Better-eye logMAR | −0.04±0.08 | −0.08±0.03 | <0.001* |
| Worse-eye logMAR | −0.07±0.07 | 0.17±0.38 | <0.001* |
| HFA 24-2 MD (dB) | |||
| Better-eye MD | 0.36±1.0 | −18.19±4.7 | <0.001§ |
| Worse-eye MD | −0.34±1.1 | −22.63±4.9 | <0.001§ |
| IVF sensitivity (dB) | |||
| Superior | 31.0±1.3 | 13.9±7.3 | <0.001§ |
| Inferior | 32.0±1.0 | 18.1±7.0 | <0.001§ |
Values are mean±SD.
*p indicates unpaired t-test.
†p indicates χ2 test.
‡p indicates Fisher's exact test.
§p indicates Mann-Whitney U test.
HFA, Humphrey Visual Field Analyzer; IVF, integrated visual field; logMAR, logarithm of the minimum angle of resolution; MD, mean deviation; MVA, motor vehicle accident.