吸烟对肾脏病的进展可能不利 ,然而对非肾病人群吸烟是否影响肾功能还不清楚 ,本试验表明吸烟对肾功能和蛋白尿有一定作用 ,尤其是老年人。方法　 1998年 ,法国 Sante地区研究院对普通人群中2 840 9名志愿者进行了检查。肾功能用 Cockcroft公式计算肌酐清除率表示。留置过夜的 Smoking may be detrimental to the progress of kidney disease. However, it is unclear whether smoking affects non-nephritic patients. This study shows that smoking has some effects on renal function and proteinuria, especially in the elderly. Methods In 1998, France’s Sante Regional Institute examined 28,499 volunteers in the general population. Renal function was calculated using Cockcroft’s formula for creatinine clearance. Stay overnight