Table 1.
Participant characteristics of the overall cohort and stratified by CV%
| Participant characteristics | Total | CV ≤36% | CV >36% | P value |
|---|---|---|---|---|
| Participants | 130 | 53 (41) | 77 (59) | |
| Demographics | ||||
| Age (years) | 71 ± 5 | 71 ± 4 | 71 ± 5 | NS |
| Female | 72 (55) | 28 (53) | 44 (57) | NS |
| Race (non-Hispanic White) | 123 (97) | 48 (94) | 75 (96) | NS |
| BMI (kg/m2) | 26 ± 4 | 26 ± 4 | 25 ± 4 | NS |
| Education (college diploma or higher) | 119 (92) | 48 (91) | 72 (93) | NS |
| Living alone | 24 (21) | 8 (16) | 16 (21) | NS |
| Total medications/day (n) | 10 ± 5 | 10 ± 5 | 9 ± 4 | NS |
| Comorbidities/medical conditions (n) | 8 ± 4 | 9 ± 4 | 8 ± 4 | NS |
| Cognitive dysfunction** | 67 (51) | 24 (45) | 43 (56) | NS |
| Depression | 48 (37) | 18 (34) | 30 (39) | NS |
| Diabetes characteristics | ||||
| Age at diagnosis (years) | 33 ± 17 | 32 ± 18 | 33 ± 16 | NS |
| Duration of diabetes (years) | 39 ± 17 | 39 ± 18 | 38 ± 15 | NS |
| Insulin administration | ||||
| Pump therapy | 80 (62) | 34 (64) | 46 (59) | NS |
| MDIs | 50 (38) | 19 (36) | 31 (40) | NS |
| Personal CGM use | 70 (54) | 41 (77) | 29 (38) | <0.00001 |
| Total insulin dose (units/day) | 35 ± 18 | 36 ± 16 | 35 ± 19 | NS |
| Basal insulin dose (% of total insulin dose) | 0.5 ± 0.1 | 0.5 ± 0.1 | 0.5 ± 0.2 | NS |
| A1C (%) | 7.3 ± 0.6 | 7.3 ± 0.9 | 7.3 ± 0.8 | NS |
| A1C (mmol/mol) | 55 ± 15 | 53 ± 18 | 56 ± 12 | NS |
| Participants with hypoglycemia unawareness | 49 (45) | 18 (44) | 31 (46) | NS |
| Measures of health care use | ||||
| ≥1 severe hypoglycemia events within the last year | 19 (15) | 7 (13) | 12 (16) | NS |
| ≥1 hospitalizations within last 3 months | 3 (2) | 1 (1) | 2 (3) | NS |
| ≥1 ED visits within the last 3 months | 6 (5) | 2 (4) | 4 (5%) | NS |
Values are mean ± SD or n (%). P value in boldface is statistically significant at P < 0.05. ED, emergency department.
**
MoCA score <26.