Safety and Efficacy of Biphasic Insulin Aspart 50 in Subjects With Type 2 Diabetes

Inclusion Criteria: * Subjects with type 2 diabetes * Subjects with insulin treated for at least 24 weeks * HbA1c maximum 11.0% * Body mass index (BMI) below 30.0 kg/m\^2 * Patients who have the skill of self-injection of insulin, and are able and willing to perform self-monitoring blood glucose (SMBG) and are able to take measures against hypoglycaemic episodes Exclusion Criteria: * Recurrent severe hypoglycaemia * Subjects with proliferative retinopathy or preproliferative retinopathy diagnosed within the last 12 weeks, or receiving photocoagulation therapy within the last one year * Impaired hepatic function * Impaired renal function * Cardiac diseases * Uncontrolled hypertension * Subjects with history of severe allergic or severe hypersensitive reactions * Total daily insulin dose at least 100 IU * Treatment with oral hypoglycaemic agentsvwithin the last 4 weeks