INTRODUCTION In recent years a steady increase in the number of obese people has been observed worldwide. This problem is also increasingly applicable to children and adolescents. In this study, we conducted a meta-analysis of studies carried out in Poland over ten years (2005-2015) which analysed the diet of preschool children and assessed how significantly it affects the prevention of diet-dependent disease. MATERIAL AND METHODS Two of the researchers independently performed a systematic search of Medline, Embase, Google Scholar, and the Polish Medical Bibliography to find studies published between 2005 and 2015. The variance of the means of differences between selected factors in relation to dietary guidelines and standards for preschool children was estimated by summing the individual variances of means. The means of differences between selected factors across the studies were pooled using random-effects model meta-analysis. RESULTS The analysis included a total of 2095 children. Mean protein content in the diet of children studied is 111% higher than indicated in dietary recommendations for this age group; mean consumption of carbohydrates in the study group is 24% higher than recommended. In moderately high calorie diets, analysis showed that the recommended norm is exceeded by 47%, CE 0.77, p < 0.001. CONCLUSIONS Nutrient intake is not compliant with recommendations for this age group and could not only inhibit physical development, but also increase the risk of diet-dependent diseases.

中文翻译：

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波兰学龄前儿童选择营养摄入的评估与饮食建议的比较：荟萃分析。

引言 近年来，世界范围内观察到肥胖人数稳步增加。这个问题也越来越多地适用于儿童和青少年。在这项研究中，我们对波兰十年（2005-2015 年）进行的研究进行了荟萃分析，分析了学龄前儿童的饮食，并评估了它对预防饮食依赖性疾病的显着影响。材料和方法 两名研究人员独立对 Medline、Embase、Google Scholar 和波兰医学书目进行了系统搜索，以查找 2005 年至 2015 年间发表的研究。所选因素与饮食指南和学龄前儿童的标准是通过对均值的个体差异求和来估计的。使用随机效应模型荟萃分析汇总了研究中选定因素之间的差异平均值。结果 分析共纳入 2095 名儿童。所研究儿童饮食中的平均蛋白质含量比该年龄组饮食建议中指示的高 111%；研究组的平均碳水化合物摄入量比推荐的高 24%。在中等高热量饮食中，分析表明超过推荐标准 47%，CE 0.77，p < 0.001。结论 营养摄入不符合该年龄组的建议，不仅会抑制身体发育，还会增加饮食依赖性疾病的风险。所研究儿童饮食中的平均蛋白质含量比该年龄组饮食建议中指示的高 111%；研究组的平均碳水化合物摄入量比推荐的高 24%。在中等高热量饮食中，分析表明超过推荐标准 47%，CE 0.77，p < 0.001。结论 营养摄入不符合该年龄组的建议，不仅会抑制身体发育，还会增加饮食依赖性疾病的风险。所研究儿童饮食中的平均蛋白质含量比该年龄组饮食建议中指示的高 111%；研究组的平均碳水化合物摄入量比推荐的高 24%。在中等高热量饮食中，分析表明超过推荐标准 47%，CE 0.77，p < 0.001。结论 营养摄入不符合该年龄组的建议，不仅会抑制身体发育，还会增加饮食依赖性疾病的风险。