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Table 2 Agreement (kappa statistic and standard error) between self-reported morbidity in TILDA and Rx-Risk algorithm (< 65 years)

From: Agreement between self-reported morbidity and pharmacy claims data for prescribed medications in an older community based population

TILDA Rx-Risk Pharmacy Claims Kappa
(κ)
Standard Error
Self-reported morbidity N % Medication-based Morbidity (ATC) N %
Diabetes or high blood sugar 110 (10.05) Diabetes (A10AB01-A10BG03, A10BH, A10BX) 98 (8.95) 0.81 0.03
Glaucoma 25 (2.28) Glaucoma (S01EA01-S01EB03, S01EC03-S01EX) 19 (1.74) 0.58 0.03
High Cholesterol 458 (41.83) Hyperlipidaemia (C10AA01-C10BX17) 454 (41.46) 0.52 0.03
Asthma 133 (12.15) Asthma (R03AA-R03AL, R03BA-R03BX, R03CA-R03CC, R03DA-R03DX) 278 (25.39) 0.47 0.03
High blood pressure or Hypertension 438 (40.00) Hypertension (C03AA01-C03BA11, C03DA01-C03EA01, C09BA02-C09BA09, C09DA01-C09DA07, C02AB01-C02AC05, C02DB02-C02KX01) 190 (17.35) 0.40 0.03
Cancer or a malignant tumour 80 (7.31) Malignancies (L01AA01-L01XX31) 23 (2.10) 0.31 0.02
Depression 129 (11.78) Depression (N06AA01-N06AG02, N06AX) 282 (25.75) 0.24 0.03
Stroke (cerebral vascular disease) 78 (7.12) Anti-platelet therapy (B01AC04-B01AC30) 291 (26.58) 0.23 0.02
Parkinson 3 (0.27) Parkinson’s disease (N04AA01-N04BX02) 15 (1.37) 0.22 0.02
Heart attack (including myocardial infarction or coronary thrombosis) 54 (4.93) Anti-platelet therapy (B01AC04-B01AC30) 291 (26.58) 0.21 0.02
Manic depression 12 (1.10) Bipolar disorder (N05AN01) 12 (1.10) 0.16 0.03
Emotional nervous or psychiatric problem, such as depression or anxiety 180 (16.44) Anxiety (N05BA01-N05BA12) 252 (23.01) 0.15 0.03
Anxiety 101 (9.22) Anxiety (N05BA01-N05BA12) 252 (23.01) 0.14 0.03
Cirrhosis or serious liver damage 13 (1.19) Liver disease (A05AA01-A05BA08, J05AF05, J05AF07, J05AF11) 1 (0.09) 0.14 0.02
Stomach ulcers 119 (10.87) GORD & Peptic ulcer (A02B, A02BB, A02BC) 518 (47.31) 0.13 0.02
Arthritis (including osteoarthritis or rheumatism) 310 (28.31) Rheumatoid Arthritis (M01AA-M01CX, M02AA-M02AX, L01BA01, L04AB01-L04AB05, L04AD01, L04AX03) 688 (62.83) 0.13 0.02
Any other heart trouble 49 (4.47) Ischaemic heart disease/hypertension (C07AA01-C07FB07, C08CA01-C08DB01) 303 (27.67) 0.09 0.02
Rheumatoid arthritis only 119 (10.87) Rheumatoid Arthritis (M01AA-M01CX, M02AA-M02AX, L01BA01, L04AB01-L04AB05, L04AD01, L04AX03) 688 (62.83) 0.06 0.02
Mini-stroke or TIA 33 (3.01) Anti-platelet, Anti-coagulation therapya (B01AC04-B01AC30, B01AA03-B01AB06) 335 (30.6) 0.05 0.01
  1. ATC Anatomical Therapeutic Chemical
  2. GORD Gastro-Oesophageal Reflux Disease
  3. aAnti-coagulant counted if patient co-prescribed antiarrhythmic for Atrial Fibrillation (i.e., if patient not in sinus rhythm) [33]