Table 2.

Pharmacy Students’ Scores on an Assessment of DDI Management Strategy

Object Drug	Precipitant Drug	Correct Answer for MS Scores	Correct Response, % Baseline	Correct Response, % Post Test	Correct Response, % 1-Year	Absolute Difference in Scores Between:
						Baseline and Post	Post and 1-Year	Baseline and 1-Year
Nitroglycerine	Sildenafil	AC	94	100	100	+6	0	+6
Warfarin	Sulfamethoxazole/trimethoprim	UAC	26	88	56	+62	−32	+30
Acetaminophen/codeine	Amoxicillin	NI	91	100	100	+9	0	+9
Warfarin	Naproxen	UAC	24	91	38	+67	−53	+14
Warfarin	Amiodarone	TP	50	68	59	+18	−9	+9
Warfarin	Fluconazole	UAC	32	91	41	+59	−50	+9
Digoxin	Amiodarone	TP	21	82	44	+61	−38	+23
Carbamazepine	Clarithromycin	TP	50	85	41	+35	−44	−9
Warfarin	Gemfibrozil	UAC	18	91	32	+73	−59	+14
Simvastatin	Itraconazole	UAC	24	68	53	+44	−15	+29
Digoxin	Itraconazole	TP	29	74	41	+45	−33	+12
Digoxin	Clarithromycin	TP	29	91	53	+62	−38	+24
Digoxin	Sildenafil	NI	44	91	59	+47	−32	+15
Metformin	Erythromycin	NI	38	88	59	+50	−29	+21
Warfarin	Digoxin	NI	9	79	44	+70	−35	+35

Abbreviations: MS = DDI Management Strategy; AC = Avoid Combination; UAC = Usually Avoid Combination; TP = Take Precautions; NI = No Interaction.