Comparison

Kappa Coefficient (95% Confidence Interval CI)

Agreement

Nephrologists

N₁ vs. N₂

0.45 (0.30, 0.60)

Moderate

N₁ vs. N₃

0.55 (0.40, 0.71)

Moderate

N₂ vs. N₃

0.32 (0.16, 0.49)

Fair

N₁ vs. N₂ vs. N₃

0.43 (0.34, 0.53)

Moderate

Internists

IM₁ vs. IM₂

0.47 (0.31, 0.63)

Moderate

IM₁ vs. IM₃

0.33 (0.19, 0.48)

Fair

IM₂ vs. IM₃

0.37 (0.22, 0.53)

Fair

IM₁ vs. IM₂ vs. IM₃

0.38 (0.30, 0.46)

Fair

Inter-specialty

N₁ vs. IM₁

0.73 (0.59, 0.87)

Substantial

N₁ vs. IM₂

0.40 (0.26, 0.55)

Fair

N₁ vs. IM₃

0.36 (0.21, 0.51)

Fair

N₂ vs. IM₁

0.41 (0.25, 0.57)

Moderate

N₂ vs. IM₂

0.18 (0.04, 0.32)

Slight

N₂ vs. IM₃

0.25 (0.10, 0.41)

Fair

N₃ vs. IM₁

0.54 (0.38, 0.70)

Moderate

N₃ vs. IM₂

0.31 (0.16, 0.47)

Fair

N₃ vs. IM₃

0.27 (0.10, 0.43)

Fair

Overall Agreement

0.39 (0.35, 0.42)

Fair