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J Am Med Inform Assoc 15:14-24 doi:10.1197/jamia.M2408
  • Focus On Medical Record Identification of Smoking Status

Identifying Patient Smoking Status from Medical Discharge Records

Table 7

Agreement (Kappa) Between Pairs of Systems and the Ground Truth

Ground Truth Aramaki_1 Carrero_1 Carrero_2 Carrero_3 Clark_1 Clark_2 Clark_3 Cohen_1 Cohen_2 Cohen_3 Guillen_1 Pedersen_1 Pedersen_2 Pedersen_3 Rekdal_1 Savova_1 Savova_2 Savova_3 Sheffer_1 Szarvas_1 Szarvas_2 Szarvas_3
Aramaki_1 0.82
Carrero_1 0.58 0.63
Carrero_2 0.51 0.50 0.75
Carrero_3 0.30 0.33 0.43 0.37
Clark_1 0.76 0.71 0.56 0.47 0.32
Clark_2 0.80 0.74 0.53 0.45 0.32 0.89
Clark_3 0.83 0.76 0.54 0.49 0.33 0.91 0.93
Cohen_1 0.80 0.78 0.55 0.51 0.29 0.74 0.74 0.74
Cohen_2 0.82 0.80 0.58 0.51 0.30 0.76 0.76 0.76 0.95
Cohen_3 0.79 0.77 0.58 0.52 0.30 0.76 0.74 0.74 0.92 0.87
Guillen_1 0.64 0.60 0.50 0.39 0.22 0.64 0.61 0.62 0.68 0.68 0.64
Pedersen_1 0.69 0.70 0.67 0.56 0.35 0.66 0.66 0.66 0.75 0.77 0.70 0.67
Pedersen_2 0.41 0.43 0.33 0.22 0.12 0.40 0.39 0.38 0.47 0.47 0.40 0.61 0.55
Pedersen_3 0.39 0.44 0.39 0.24 0.17 0.37 0.35 0.37 0.46 0.46 0.41 0.56 0.54 0.85
Rekdal_1 0.45 0.44 0.25 0.14 0.10 0.34 0.38 0.43 0.43 0.41 0.39 0.38 0.36 0.48 0.46
Savova_1 0.75 0.76 0.59 0.49 0.29 0.66 0.66 0.73 0.73 0.73 0.76 0.64 0.66 0.45 0.49 0.42
Savova_2 0.71 0.76 0.59 0.49 0.29 0.65 0.65 0.68 0.70 0.69 0.75 0.59 0.64 0.44 0.48 0.38 0.95
Savova_3 0.69 0.74 0.58 0.51 0.30 0.61 0.61 0.68 0.71 0.69 0.74 0.59 0.62 0.41 0.45 0.37 0.95 0.93
Sheffer_1 0.75 0.73 0.57 0.58 0.36 0.75 0.72 0.74 0.75 0.76 0.80 0.63 0.73 0.43 0.39 0.35 0.71 0.72 0.67
Szarvas_1 0.75 0.77 0.62 0.53 0.36 0.73 0.74 0.76 0.70 0.72 0.75 0.61 0.72 0.38 0.38 0.40 0.75 0.76 0.71 0.83
Szarvas_2 0.77 0.78 0.61 0.53 0.34 0.71 0.72 0.78 0.72 0.73 0.75 0.65 0.74 0.42 0.43 0.41 0.80 0.78 0.76 0.81 0.95
Szarvas_3 0.75 0.77 0.62 0.53 0.34 0.73 0.71 0.76 0.70 0.72 0.75 0.64 0.72 0.41 0.41 0.39 0.78 0.80 0.74 0.83 0.97 0.98
Wicentowski_1 0.77 0.80 0.57 0.50 0.33 0.71 0.74 0.74 0.75 0.74 0.75 0.62 0.69 0.41 0.39 0.41 0.75 0.80 0.76 0.76 0.87 0.82 0.83

  • Agreement between 0.8 and 0.9 is in italic type, and agreement >0.9 is in boldface type.

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