Allocation to the insulin glargine group reduced the incidence of the primary microvascular composite outcome of kidney and eye disease in participants whose baseline HbA@c level was @ % ( @ mmol/mol ; HR @ -LSB- @ % CI @ , @ -RSB- ) but not in participants with a lower baseline HbA@c ( HR @ -LSB- @ % CI @ , @ -RSB- ; p value for interaction @ ) .