What do systematic reviews say?

Summary of findings: insulin detemir vs NPH insulin

Insulin detemir showed no clear difference in all‐cause mortality compared with NPH insulin (low certainty).

• (Ultra‐)long‐acting insulin analogues versus NPH insulin (human isophane insulin) for adults with type 2 diabetes… 2020 · Cochrane Headline outcomes only
  Peto OR 0.74 [0.2, 2.65]
  8 studies · 2328 participants
  Low