Fasting blood glucose (mmol/l) | Fasting insulin (IU/l) | HOMA-IR | Peak insulin (IU/l) | 2-H blood glucose (mmol/l) | |
---|---|---|---|---|---|
Diabetes mellitus | ≥7 | >11.1 | |||
Impaired fasting glucose | 5.6–6.9 | ||||
Impaired glucose tolerance | 7.8–11.0 | ||||
Insulin resistance | Tanner 1+2: ≥15; tanner 3+4:≥30; tanner 5: ≥20 | >4.4 | >100 |
Tanner: tanner stage of puberty (either genital or breast or pubic hair).
Insulin levels: fasting insulin is discussed in Section ‘Core investigations’. Peak insulin: no accepted definitions exist for high peak insulin. However, the authors suggest levels >100 IU/l at ≥30 min may be a useful marker for hyperinsulinism.
HOMA-IR, Homeostatic model assessment.