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Table 2 Comparison of biochemical parameters between the groups

From: Maternal type 1collagen N-terminal telopeptide levels in severe hyperemesis gravidarum

  Severe HG group
(n = 20)
Control group (n = 20) P value
Serum BUN (5–15 mg/dl) 12.01 ± 1.09 11.96 ± 1.21 0.892
Serum creatinine (0.5–1.1 mg/dL) 0.91 ± 0.09 0.90 ± 0.08 0.824
Serum Na (136–145 nmol/L) 139(138–140.75) 139(138–140) 0.841
Serum K (3–5 mEq/L) 3.72 ± 0.13 3.72 ± 0.14 0.954
Corrected serum Ca 8.70(8.43–9.10) 8.75(8.40–9.05) 0.738
Serum PTH (10–65 pg/mL) 37.39 ± 12.93 36.85 ± 10.96 0.886
Serum 25OHD3 < 25 ng/mL (n%) 18(90%) 6(30%) < 0.001
Urine NTx (NTx/Cre)
(26–124 nmol BCE/nmol)
39.22 ± 11.68 31.89 ± 8.33 0.028
  1. HG hyperemesis gravidarum, BUN blood urea nitrogen, PTH parathyroid hormone, NTx type 1 collagen N-terminal telopeptide
  2. The Shapiro-Wilk’s test was used to test the normality assumption of the data. Levene’s test was used for the variance in homogeneity assumption. The values were expressed as the mean ± standard deviation, median (25–75th percentile), or n (%). The parametric comparisons were made using a t-test or z-test, and the nonparametric comparisons were made using the Mann-Whitney U test. All of the comparisons were made with the PASW Statistics 18 program, and a p value of < 0.05 was considered to be statistically significant