Table 1 Characteristics of participants (median (IQ range)) by 90 minute MMT stimulated C-peptide (SCP, nmol/L) tertile
Tertile 1 (SCP ≤ 0.02,n = 27) | Tertile 2 (SCP 0.02-0.8, n = 27) | Tertile 3 (SCP ≥ 0.8, n = 26) | p for trend | |
|---|---|---|---|---|
Age (years) | 53 (42–62) | 42 (30–64) | 62 (37–71) | 0.70 |
Age of diagnosis (years) | 15 (8–23) | 27 (21–44) | 50 (28–59) | 0.001 |
Duration of Diabetes | 36 (26–45) | 16 (3–21) | 10 (2–15) | 0.001 |
BMI | 26 (23–28) | 25 (23–29) | 29 (25–37) | 0.013 |
HbA1c (%) | 7.9 (7.2-8.7) | 7.7 (7.0-8.7) | 7.9 (7.4-8.7) | 0.57 |
HbA1c (mmol/mol) | 63 (55–72) | 60 (53–71) | 63 (57–72) | 0.57 |
Proportion Type 1 diabetes | 93% | 78% | 31% | 0.001 |
Fasting glucose (mmol/L) (Test 1) | 10.1(7.9-12.9) | 8.8 (6.4-12.8) | 8.4 (7.0-10.5) | 0.064 |
90 Minute post MMT C-peptide (nmol/L) | 0.01 (0–0.01) | 0.40 (0.23-0.65) | 1.79 (1.12-2.30) | 0.001 |
Prandial (rapid or soluble only*) insulin dose administered in MMT+I (units) | 8 (5–10) | 8 (6–12) | 6.3 (4.8-12.3) | 0.98 |
Total daily insulin dose (units) | 46 (33–64) | 42 (28–62) | 45 (26–88) | 0.90 |