Table 4Frequency of error by type of medication, reason for encounter, number of medications involved, and insurance provider

ErrorsEncounters% errorP-value
Type of medication<0.00001
 New chronic medication233174.2
 Renewal of chronic medication5013537.0
 Acute care medication118013.8
Reason for encounter0.05
 Initial patient diagnosis/treatment269826.5
 Patient-initiated renewal request317044.3
 Pharmacy-initiated renewal request93426.5
 Patient followup questions (no visit)41625.0
 Results of lab-initiated Rx51338.5
 Insurance coverage issue5771.4
 Other4850.0
Number of medications involved0.02
 One medication5418030.0
 Two or more medications306645.5
Insurance provider covering encounter0.71
 Private5415834.2
 Public and private205437.0
 Public83026.7
 Self-pay2450.0
Total8424634.1

From: Medication Management Transactions and Errors in Family Medicine Offices: A Pilot Study

Cover of Advances in Patient Safety: New Directions and Alternative Approaches (Vol. 4: Technology and Medication Safety)
Advances in Patient Safety: New Directions and Alternative Approaches (Vol. 4: Technology and Medication Safety).
Henriksen K, Battles JB, Keyes MA, et al., editors.

NCBI Bookshelf. A service of the National Library of Medicine, National Institutes of Health.