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Quartile (Q) distribution of leptin between cases (by HS grade) and controls.
| Leptin quartile |
Cases (HS) |
|||||||
|
Controls |
Grade I |
Grade II |
Grade III |
|||||
| n | % | n | % | n | % | n | % | |
| Q1 | 30 | 30.6 | 9 | 18.8 | 9 | 20 | 1 | 20 |
| Q2 | 25 | 25.5 | 15 | 31.3 | 8 | 17.8 | 1 | 20 |
| Q3 | 23 | 23.5 | 11 | 22.9 | 15 | 33.3 | 0 | 0 |
| Q4 | 20 | 20.4 | 13 | 27.1 | 13 | 28.9 | 3 | 60 |
| Total | 98 | 100 | 48 | 100 | 45 | 100 | 5 | 100 |
χ2 for linear trend = 4.8, P = 0.03.
