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Table 1 Clinical characteristics and TG, AG, UAG and AG/UAG of PWS children with and without EOS

From: Is ghrelin a biomarker of early-onset scoliosis in children with Prader–Willi syndrome?

 

PWS children with EOS (cases) n = 30

PWS children without EOS (controls) n = 30

p value

Sex—girls, n (%)

20 (66.7)

16 (53.3)

0.285

Age—years, median (IQR)

3.7 (2.0–5.2)

3.9 (2.3–5.0)

BMI—WHO z-score, median (IQR)

0.0 (− 0.8–1.4)

0.1 (− 0.9–1.4)

Genetic subtype—deletion, n (%)

12 (40.0)

19 (63.3)

0.090

Age at start GH—months, median (IQR)

12 (9–13)

13 (10–16)

0.043

GH dose—mg/kg/d, median (IQR)

0.0263 (0.0215–0.0334)

0.0277 (0.0184–0.0321)

0.614

IGF-1—z-score, median (IQR)a

1.4 (0.3–2.5)

0.7 (− 0.2–1.7)

0.065

HbA1c—%, median (IQR)a

5.4 (5.2–5.6)

5.4 (5.2–5.8)

0.364

Insulin—µUI/ml, median (IQR)a

5.2 (2.5–8.2)

4.9 (3.0–7.2)

0.084

TG—pg/ml, median (IQR)

314.0 (207.2–481.0)

317.1 (231.7–618.4)

0.797

AG—pg/ml, median (IQR)

161.3 (89.6–210.6)

194.6 (154.2–256.8)

0.079

UAG—pg/ml, median (IQR)

152.3 (81.7–263.5)

120.1 (71.2–219.2)

0.382

AG/UAG, median (IQR)

0.783 (0.559–1.993)

1.589 (1.166–2.433)

0.005

Age at EOS diagnosis—years, median (IQR)

3.4 (1.8–5.2)

 

Cobb angle at diagnosis—degrees, median (IQR)b

20 (12–27)

  1. aOne scoliotic patient without data on IGF-1, 8 scoliotic patients and 7 non-scoliotic patients without data on HbA1c, and 8 scoliotic patients and 6 non-scoliotic patients without data on insulin
  2. bCobb angle at diagnosis of EOS available only for 27 patients