Table 3

Cup/disc ratio data shown as proportions reaching a high level of agreement

Study AStudy B
UndilatedDilatedp Value (χ2)UndilatedDilatedp Value ((χ2)
VCD37/52 (72%)33/34 (97%)0.0025** 34/45 (76%)40/42 (95%)0.0101
HCD40/52 (77%)33/34 (97%)0.011 33/45 (73%)38/42 (90%)0.0350
  • Indicates a significant difference at the 95% confidence level and ** indicates a significant difference at the 99% confidence level.