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Table 4 Comparison of medications measured by cost diary and retrospective questionnaire (n = 90)*

From: Development and first assessment of a questionnaire for health care utilization and costs for cardiac patients

Reliability analysis   Medication (sales name) Medication (generic name/agent)
Questionnaire Diary   
Yes Yes 274 (61.3%) 325 (80.8%)
Yes No 77 (17.2%) 28 (7.0%)
No Yes 95 (21.3%) 48 (11.9%)
No No 1** (0.2%) 1** (0.2%)
  1. * For three participants, comparison was not feasible as they did not return their cost diaries.
  2. **Patients who did not report any medical intake.