|  | To t + 1 | |||
---|---|---|---|---|---|
 |  | Metformin monotherapy | Metformin +DPP-4i | Metformin +DPP-4i + Basal insulin | Death |
From t | Metformin monotherapy | # | 0.046 | 0 | 60–70 years; 0.021 71–80 years; 0.051 81–85 years; 0.107 |
 | Metformin +DPP-4i | 0 | # | 0.013 | 60–70 years; 0.021 71–80 years; 0.051 81–85 years; 0.107 |
 | Metformin +DPP-4i + Basal insulin | 0 | 0 | # | 60–70 years; 0.021 71–80 years; 0.051 81–85 years; 0.107 |
 | Death | 0 | 0 | 0 | 1 |