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Table 1 Reliability and validity of assessment of balding patterns

From: Validity of self reported male balding patterns in epidemiological studies

  Exact Balding groups
  % agreement κ (p) % agreement κ (p)
Observer 1 vs. Observer 2 85.4 0.828
(p < 0.001)
90.3 0.858
(p < 0.001)
Observer 1 vs. subjects 48.5 0.386
(p < 0.001)
68.0 0.520
(p < 0.001)
Observer 2 vs. subjects 55.8 0.463
(p < 0.001)
73.8 0.599
(p < 0.001)