Table 1

Item count and net ingredient cost (NIC) for metformin preparations

NameItem countNIC
Metformin hydrochloride1368136£6365177.23
Metformin hydrochloride/vildagliptin7322£262662.61
Metformin hydrochloride/sitagliptin5158£208765.35
Metformin hydrochloride/pioglitazone19410£818763.55
Metformin hydrochloride/rosiglitazone5£193.75