IRS components by sex
| Boys n = 36 | Girls n = 67 | Total n = 103 | |
|---|---|---|---|
| Results expressed as n (%), except where stated. | |||
| *There were no significant sex differences | |||
| Obesity | |||
| BMI z-score | |||
| Mean (SE) | 3.35 (0.11) | 3.55 (0.10) | 3.48 (0.08) |
| Range | 1.65–4.90 | 1.76–6.15 | 1.65–6.15 |
| Extreme obesity (BMI z-score ⩾3.0) | 23 (64) | 51 (76) | 74 (72) |
| Abnormal glucose homoeostasis | |||
| Hyperinsulinaemia | 13 (36) | 28 (42) | 41 (40) |
| Impaired fasting glucose | 1 (3) | 0 | 1 (1) |
| Impaired glucose tolerance | 4 (11) | 7 (11) | 11 (11) |
| Total for component | 14 (39) | 32 (48) | 46 (45) |
| Dyslipidaemia | |||
| High total cholesterol | 5 (14) | 13 (19) | 18 (18) |
| High triglycerides | 10 (28) | 11 (16) | 21 (20) |
| Low HDL cholesterol (n = 40) | 2 (11) | 2 (10) | 4 (10) |
| Total for component | 13 (36) | 18 (27) | 31 (30) |
| Hypertension | |||
| Systolic BP ⩾95th centile | 9 (25) | 24 (36) | 33 (32) |