Characteristics of Type 1 Diabetes, Type 2 Diabetes, and LADA
Type 1 Diabetes | Type 2 Diabetes | LADA | |
---|---|---|---|
Age (years) | <35 | >35 | ≥30 |
C-peptide | Very low | Normal to high | Low |
ICA | Often positive | Negative | Can be positive |
GAD65 | Often positive | Negative | Can be positive |
IA-2 | Often positive | Negative | Can be positive |
IAA | Often positive | Negative | Can be positive |
Circulating insulin | Rapidly deficient | Excessive and resistant | Gradually deficient |
Time to requiring insulin | At onset | Can be many years | Within 6 months (variable) |