Table 1

Characteristics of DR graders and ophthalmologists participating in a study of glaucomatous optic nerve grading

CharacteristicsOphthalmologists (n=29)DR graders (n=43)T-test/χ2 (p value)
Age (mean±SD) years32.6±5.532.3±7.30.13 (0.893)
<30 years11 (37.9%)21 (48.8%)0.83 (0.361)
≥30 years18 (62.1%)22 (51.2%)
Sex1.99 (0.159)
Female (%)17 (58.6%)32 (74.4%)
Male (%)12 (41.4%)11 (25.6%)
Job title
Nurse (%)0 (0.0%)18 (41.9%)
Ophthalmologist (%)29 (100.0%)0 (0.0%)
Other physician (%)0 (0.0%)22 (51.2%)
Technician (%)0 (0.0%)3 (6.9%)
Work experience (mean±SD) years7.21±5.28.22±7.10.65 (0.516)
<5 (%)11 (37.9%)18 (41.9%)0.11 (0.739)
≥5 (%)18 (62.1%)25 (58.1%)
  • *Endocrinologist (5); general practitioner (14); radiologist (2); internist (1).