Table 4 Criteria used for assessing the contribution of medication-related problem to hospital admission (based on Howard et al18)
3DominantThe suspected symptoms were the main reason for admission, and no other symptoms contributed significantly
2Partly contributingThe suspected symptoms played a substantial role in admission, but other factors also contributed significantly
1Less importantThe suspected symptoms played a minor or uncertain role, and the patient would probably have been admitted without them
0Not contributingOther symptoms/circumstances were the reason for hospitalisation