Skip to main content

Table 4 Agreement for presence of selected comorbidities between administrative data

From: (Dis)concordance of comorbidity data and cancer status across administrative datasets, medical charts, and self-reports

  Comorbidity Administrative data Present, n (%) SCQ data Present, n (%) Percentage agreement %, (95%CI) κ statistic (95% CI)
Data available for all six study sites (n=112) Heart disease 0 (0) 9 (8.0) 92 (87-97) 0 (0-0)
Diabetes 7 (6.3) 10 (8.9) 97 (94-100) 0.81 (0.60-1.00)
Liver disease 0 (0) 1 (0.9) 99 (97-100) 0 (0-0)
Cancer 112 (100) 27 (24.1) 24 (16-32) 0 (0-0)
Rheumatic diseasea 0 (0) 7 (6.3) 94 (89-98) 0 (0-0)
Ulcer or stomach disease 0 (0) 4 (3.6) 96 (93-100) 0 (0-0)
Renal disease 1 (0.9) 1 (0.9) 98 (96-100) -0.01 (-0.02-0.00)
Chronic pulmonary disease 0 (0) 5 (4.5) 96 (92-99) 0 (0-0)
Data available for all sites except site 1 (n=98) High blood pressure 42 (42.9) 40 (40.8) 88 (81-94) 0.75 (0.61-0.88)
Anaemia or other blood disease 6 (6.1) 2 (2.0) 96 (92-100) 0.48 (0.05-0.92)
Depression 0 (0) 11 (11.2) 89 (82-95) 0 (0-0)
Back pain 0 (3) 26 (26.5) 73 (65-82) 0 (0-0)
Osteoarthritis/degenerative arthritis 6 (6.1) 22 (22.4) 78 (69-86) 0.13 (-0.07-0.33)
  Total count 174 165   
  1. asame as connective tissue disorders