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为探讨正常人尿液中 SIgA 水平及其与某些泌尿道疾病的发病关系。我们用放射免疫(双抗体-PEG 法)分析对150例正常人尿液 SIgA 进行了测定(表1),结果尿 SIgA 含量为1,119.4±375.1μg/24小时((?)±SD)。为了避免尿液因浓缩或稀释而影响结果,每一标本均同时测定尿肌酐浓度,并以尿SIgAμg/mg 肌酐表示。150例尿液 SIgA 含量测定结果为1.01±0.62μg/mg 肌酐(±SD)。各年龄组均数应用方差分析,F 值为1.02,说明各组均数除70～组明显增高外,其余各组间均无显著性差异。
To investigate the normal urine SIgA levels and its relationship with the pathogenesis of some urinary tract diseases. We measured SIgA in 150 normal urine samples by radioimmunoassay (double antibody-PEG assay). Results Urinary SIgA levels were 1,119.4 ± 375.1 μg / 24 hours (± SD). Urine creatinine concentrations were also determined in each sample simultaneously to avoid urine concentration or dilution due to concentration or dilution, expressed as urinary SIgA μg / mg creatinine. 150 cases of urine SIgA determination of 1.01 ± 0.62μg / mg creatinine (± SD). Analysis of variance of all age groups using F value of 1.02, indicating that the average number of each group except 70 ~ group was significantly increased, the rest of the groups were no significant differences.