Table 4. Comparison of Medication Reviews Performed Before and After Implementation of the Brown Bag Medication Review Tool.

Item Evaluated	Before Implementation			After Implementation			P Value
	Missouri Clinic (n = 27)	California Clinic (n = 18)	Total (n = 45)	Missouri Clinic (n = 20)	California Clinic (n = 21)	Total (n = 41)*
Prescription medications brought to office visit, mean (SD)	0.44 (1.9)	1.8 (2.6)	1.0 (2.3)	8.0 (5.4)	5.6 (3.4)	6.8 (4.6)	<.001
Prescription medications reviewed with patient, mean (SD)	3.25 (5.4)	3.3 (2.4)	3.3 (4.3)	7.4 (4.5)	4.9 (3.1)	6.1 (4.0)	.003
All prescription medications brought to visit (patient report)	7.4	38.9	20	70.0	66.7	68.3	<.001
All nonprescription medications brought to visit (patient report)	11.1	5.9	9.1	25.0	14.3	19.5	.003
Problems found with medication regimen	25.9	5.6	17.8	40.0	28.6	34.2	.082
Changes made to medication regimen as a result of the review	25.9	5.6	17.8	50.0	33.3	41.5	.016

SD, standard deviation. Data are percentages unless otherwise indicated.