Baseline patient characteristics (N=112)
| Characteristics | Value |
| Age (years) | |
| Mean±SD | 72.3±10.8 |
| <75 years, n (%) | 65 (58.0) |
| ≥75 years, n (%) | 47 (42.0) |
| Male, n (%) | 68 (60.7) |
| Caucasian, n (%) | 110 (98.2) |
| Weight (kg), mean±SD | 80.1±16.6 |
| Body mass index (kg/m2), mean±SD | 30.1±5.9 |
| Renal function, mean±SD | |
| Creatinine (mg/dL) | 1.1±0.4 |
| GFR (mL/min) | 75.4±32.4 |
| Diabetes duration (years), mean±SD | 10.9±7.9 |
| Previous insulin treatment, n (%) | |
| Previous basal insulin | 57 (50.9) |
| Insulin-naïve | 55 (49.1) |
| Non-insulin treatment schedule, n (%) | |
| Monotherapy | 45 (45.5) |
| Dual therapy | 42 (42.4) |
| Triple therapy or more | 11 (11.1) |
| GLP-1 receptor analogue monotherapy | 1 (1.0) |
| HbA1c (%), mean±SD | 8.9±0.7 |
| FPG (mg/dL), mean±SD | 205.4±83.9 |
| 7-point capillary blood glucose profile (mg/dL), mean±SD | |
| Prebreakfast | 182.0±65.6* |
| Postbreakfast | 237.0±80.1† |
| Prelunch | 222.7±72.2‡ |
| Postlunch | 236.6±78.0§ |
| Predinner | 232.5±79.3‡ |
| Postdinner | 227.0±82.4¶ |
| Bedtime | 208.1±80.5** |
*Missing data, n=7.
†Missing data, n=26.
‡Missing data, n=3.
§Missing data, n=20.
¶Missing data, n=21.
**Missing data, n=14.
FPG, fasting plasma glucose; GFR, glomerular filtration rate according to the MDRD-4 equation; GLP-1, glucagon-like peptide-1; HbA1c, glycosylated hemoglobin.