Table 1 Weighted Cohen’s kappa analysis of Hirst and Tan grading systems
From: Cosmetic outcome of femtosecond laser-assisted pterygium surgery
Intra-rater reliability | Inter-rater reliability | |||
|---|---|---|---|---|
Hirst grading system | YFL1, YFL2 | YCL1, YCL2 | YFL1, YCL1 | YFL2, YCL2 |
0.86 (SE 0.06, CI 0.75–0.98) | 0.95 (SE 0.03, CI 0.89–1.00) | 0.84 (SE 0.06, CI 0.72–0.96) | 0.88 (SE 0.05, CI 0.79–0.99) | |
Tan grading system | AJ1, AJ2 | YCL1, YCL2 | AJ1, YCL1 | AJ2, YCL2 |
0.88 (SE 0.09, CI 0.71–1.00) | 0.89 (SE 0.08, CI 0.73–1.00) | 0.66 (SE 0.12, CI 0.42–0.91) | 0.75 (SE 0.12, CI 0.52–0.98) | |