Table III

Comparison of the Reliability of the Two Light Sources (95% Confidence Interval)

Inter-rater Agreement CoefficientFocused Desk LampLaser Light Pointer
Gwet's AC10.46 (0.19–0.73)0.60 (0.34–0.86)
Fleiss' Kappa0.32 (0.13–0.51)0.42 (0.20–0.65)