Table 5 Paired t-test comparing means of patient’s knowledge questionnaire scores before and after counseling

Pair 1

Patient knowledge after counseling/14

Patient knowledge before counseling/14

Pair 2

Patient knowledge about drug information after counseling/5

Patient knowledge about drug information before counseling/5

Pair 3

Patient knowledge about drug dose after counseling/2

Patient knowledge about drug dose before counseling/2

Pair 4

Patient knowledge about INR after counseling/3

Patient knowledge about INR before counseling/3

Pair 5

Patient knowledge about drug toxicity after counseling/2

Patient knowledge about drug toxicity before counseling/2

Pair 6

Patient knowledge about drug-drug and drug-food interactions after counseling/2

Patient knowledge about drug-drug and drug-food interactions before counseling/2