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Table 3 A comparison of the mean laboratory parameters in the case and control groups and their relationships [mean ± SD (min-max)]

From: Correlation between serum vitamin D level and neonatal indirect hyperbilirubinemia

Variables Study group (n = 30) Control group (n = 30) P
Ca (mg/dL) 9.21 ± 0.73 (7.7–10.7) 9.30 ± 0.58 (8.2–10.4) 0.256
P (mg/dL) 5.98 ± 0.82 (4.6–7.6) 5.73 ± 0.69 (4.3–7.3) 0.173
ALP (U/L) 409 ± 102 (247–647) 373 ± 106 (232–680) 0.895
Mg (mg/dL) 1.95 ± 0.20 (1.7–2.4) 1.99 ± 0.16 (1.7–2.3) 0.075
Neonate’s 25-OH vit D (ng/mL) 10.76 ± 8.60 (0.8–30.8) 14.88 ± 11.38 (5.1–68) 0.119
  < 5 ng/mL [n (%)] 5 (17) 0 (0)  
 5–10 ng/mL [n (%)] 16 (53) 10 (33)  
 10–20 ng/mL [n (%)] 3 (10) 14 (47)  
 20–30 ng/mL [n (%)] 5 (17) 5 (17)  
 30–50 ng/mL [n (%)] 1 (3) 0 (0)  
 50–70 ng/mL [n (%)] 0 (0) 1 (3)  
Mother’s 25-OH vit D (ng/mL) 14.72 ± 9.6 (3.6–44.9) 17.71 ± 12.66 (5.0–72.8) 0.307
  < 5 ng/mL [n (%)] 2 (7) 0 (0)  
 5–10 ng/mL [n (%)] 12 (40) 8 (27)  
 10–20 ng/mL [n (%)] 7 (23) 12 (40)  
 20–30 ng/mL [n (%)] 7 (23) 7 (23)  
 30–50 ng/mL [n (%)] 2 (7) 2 (7)  
 50–70 ng/mL [n (%)] 0 (0) 1 (3)  
  1. Ca calcium, P phosphate, ALP alkaline phosphatase, Mg magnesium, 25-OH vit D 25-hydroxy vitamin D
  2. t-test and frequency and percentage tests are used in this table
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