Study on the relationship between serum vitamin D level and gestational diabetes mellitus in pregnant women
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摘要:
目的 探讨孕妇血清25-羟维生素D[25-(OH)D]水平与妊娠期糖尿病(gestational diabetes mellitus,GDM)的关系,分析孕妇血清25-(OH)D水平的影响因素。 方法 采用随机数字表法选取2017年9月—2018年12月在玉环市人民医院产检的300例孕妇,在孕早期、中期、晚期分别检测25-(OH)D水平,根据血清25-(OH)D水平分为缺乏组和不缺乏组,比较2组孕妇妊娠期糖尿病发生率的差别;根据孕晚期血清25-(OH)D水平,分析孕妇血清25-(OH)D水平的影响因素。 结果 孕早期缺乏组、不缺乏组孕妇妊娠期糖尿病发生率分别为26.32%、12.50%,比较差异无统计学意义(P>0.05);孕中期缺乏组、不缺乏组孕妇妊娠期糖尿病发生率分别为28.65%、9.80%,比较差异有统计学意义(P < 0.05);孕晚期缺乏组、不缺乏组孕妇妊娠期糖尿病发生率分别为27.47%、10.00%,比较差异有统计学意义(P < 0.05);在单因素分析的基础上经多因素logistic回归分析显示每日户外活动时间少、孕晚期在冬春季、未正规补充维生素D、未及时补充维生素D为孕妇血清25-(OH)D缺乏的独立危险因素(均P < 0.05)。 结论 孕妇血清25-(OH)D水平下降可能增加妊娠期糖尿病发生的风险,孕早期合理补充维生素D可有效预防孕妇维生素D缺乏,有助于降低妊娠期糖尿病的发生风险。 Abstract:Objective To investigate the relationship between serum 25-hydroxyvitamin D [25-(OH)D] level and gestational diabetes mellitus (GDM) in pregnant women, and to analyze the influencing factors of serum 25-hydroxyvitamin D level in pregnant women. Methods A random number table was used to select 300 pregnant women who were examined in Yuhuan People's Hospital from September 2017 to December 2018. The levels of 25-(OH)D were detected in the early, middle and late stages of pregnancy. According to the serum levels of 25-(OH)D, the pregnant women were divided into two groups: lack group and no lack group, and the incidence of gestational diabetes was compared between the two groups. According to the serum 25-(OH)D level in the third trimester, the influencing factors of serum 25-(OH)D level in pregnant women were analyzed. Results The incidence of gestational diabetes was 26.32% in the lack group and 12.50% in the no lack group, with no statistically significant difference (P>0.05). The incidence of gestational diabetes in the second trimester deficiency group and the no deficiency group were 28.65% and 9.80%, respectively, with statistically significant differences (P < 0.05). The incidence of gestational diabetes was 27.47% and 10.00% in the lack group and no lack group, respectively, with statistically significant differences (P < 0.05). On the basis of univariate analysis, multivariate logistic regression analysis showed that the independent risk factors of serum 25-(OH)D deficiency in pregnant women were less time spent in outdoor activities, winter and spring, no regular vitamin D supplementation, and no timely vitamin D supplementation (all P < 0.05). Conclusion Decreased serum 25-(OH)D level in pregnant women may increase the risk of gestational diabetes. Reasonable vitamin D supplementation in early pregnancy can effectively prevent vitamin D deficiency in pregnant women and help reduce the risk of gestational diabetes. -
Key words:
- Pregnant women /
- 25-hydroxyvitamin D /
- Gestational diabetes mellitus /
- Vitamin
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表 1 2组孕妇不同孕期GDM情况比较[例(%)]
孕期 组别 例数 妊娠期糖尿病 χ2值 P值 孕早期 缺乏组 190 50(26.32) 2.840 0.092 不缺乏组 32 4(12.50) 孕中期 缺乏组 171 49(28.65) 7.584 0.006 不缺乏组 51 5(9.80) 孕晚期 缺乏组 182 50(27.47) 5.439 0.020 不缺乏组 40 4(10.00) 表 2 影响孕妇血清25-(OH)D水平的单因素分析[例(%)]
因素 变量取值 例数 25-(OH)D不缺乏 χ2值 P值 每日户外活动时间(有无>1 h) 有 66 18(27.27) 5.446 0.020 无 156 22(14.10) 孕晚期季节 夏秋季 82 21(25.61) 5.073 0.024 冬春季 140 19(13.57) 正规补充维生素D 有 67 20(29.85) 9.096 0.003 无 155 20(12.90) 及时补充维生素D(孕早期开始补充) 有 82 21(25.61) 5.073 0.024 无 140 19(13.57) 年龄(是否在30岁以上) 是 118 19(16.10) 0.626 0.429 否 104 21(20.19) 孕前体质指数(是否>24) 是 42 8(19.05) 0.037 0.847 否 180 32(17.78) 表 3 影响孕妇血清25-(OH)D水平的多因素分析
变量 B SE Wald χ2 P值 OR值 95% CI 每日户外活动时间少 1.480 0.453 10.670 0.001 4.392 1.807~10.673 冬春季 0.806 0.399 4.071 0.044 2.239 1.023~4.898 未正规补充维生素D 1.499 0.446 11.299 0.001 4.476 1.868~10.725 未及时补充维生素D 0.871 0.386 5.079 0.024 2.389 1.120~5.093 -
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