Table 2 Description of general characteristics of preterm newborns (PTNB) and full-term newborns (FTNB) included in this study
From: Vitamin D plasma concentrations in pregnant women and their preterm newborns
Variables | PTNB Group (n = 66) | FTNB Group (n = 92) | p-value | |
|---|---|---|---|---|
Mother | ||||
25(OH)D (n = 144) | ng/mL | 21.7 ± 10.8 | 26.2 ± 9.8 | 0.011a |
Deficiency | n (%) | 27 (43.5%) | 23 (28.0%) | 0.018b |
Insufficiency | n (%) | 25 (40.3%) | 29 (35.4%) | |
Sufficiency | n (%) | 10 (16.1%) | 30 (36.6%) | |
Parathyroid hormone (n = 121) | pg/mL | 50.1 ± 40.7 | 51.1 ± 37.6 | 0.890a |
Calcium (n = 145) | mg/dL | 7.8 ± 1.2 | 8.7 ± 1.0 | < 0.001a |
Phosphorus (n = 144) | mg/dL | 3.4 ± 1.5 | 3.3 ± 0.9 | 0.718a |
Alkaline phosphatase (n = 145) | U/L | 178.0 ± 81.6 | 269.1 ± 77.4 | < 0.001a |
Umbilical cord | ||||
25(OH)D (n = 140) | ng/mL | 25.9 ± 13.9 | 31.9 ± 12.3 | 0.009a |
Deficiency | n (%) | 25 (41.7%) | 17 (21.3%) | 0.033b |
Insufficiency | n (%) | 13 (21.7%) | 24 (30.0%) | |
Sufficiency | n (%) | 22 (36.7%) | 39 (48.4%) | |
Calcium (n = 139) | mg/dL | 9.3 ± 1.1 | 10.2 ± 1.0 | < 0.001a |
Phosphorus (n = 138) | mg/dL | 5.9 ± 2.1 | 5.0 ± 1.2 | 0.002a |
Alkaline phosphatase (n = 140) | U/L | 363.3 ± 185.1 | 324.1 ± 344.4 | 0.431a |