Table 5.
Paired t-test comparing means of patient’s knowledge questionnaire scores before and after counseling
| Paired Samples Statistics | |||||
|---|---|---|---|---|---|
| Mean | N | Std. Deviation |
Std. Error |
||
| Pair 1 | Patient knowledge after counseling/14 | 13.2 | 130 | .000 | .000 |
| Patient knowledge before counseling/14 | 4.82 | 130 | 2.600 | .228 | |
| Pair 2 | Patient knowledge about drug information after counseling/5 | 4.68 | 130 | .000 | .000 |
| Patient knowledge about drug information before counseling/5 | 2.66 | 130 | 1.097 | .096 | |
| Pair 3 | Patient knowledge about drug dose after counseling/2 | 1.88 | 130 | .000 | .000 |
| Patient knowledge about drug dose before counseling/2 | 1.05 | 130 | .487 | .043 | |
| Pair 4 | Patient knowledge about INR after counseling/3 | 3.00 | 130 | .000 | .000 |
| Patient knowledge about INR before counseling/3 | .85 | 130 | 1.138 | .100 | |
| Pair 5 | Patient knowledge about drug toxicity after counseling/2 | 1.92 | 130 | .000 | .000 |
| Patient knowledge about drug toxicity before counseling/2 | .41 | 130 | .679 | .060 | |
| Pair 6 | Patient knowledge about drug-drug and drug-food interactions after counseling/2 | 1.89 | 130 | .000 | .000 |
| Patient knowledge about drug-drug and drug-food interactions before counseling/2 | .02 | 130 | .175 | .015 | |