This study examines the use and results of a multichannel chemistry test (SMAC) in asymptomatic patients attending a family practice center. Of 288 patients, 71 (25%) presenting for complete physical examinations had apparently "routine" or baseline SMACs. Forty-three (61%) had at least one abnormal value in their chemistry profiles. Most abnormal results appeared to be of little clinical significance, but few were repeated or otherwise evaluated. Screening or baseline chemistry testing is a common feature of general health evaluations, but the efficacy of such studies is not clear.
本研究调查了在一家家庭医疗中心就诊的无症状患者中多通道化学检测（SMAC）的使用情况及结果。在288名患者中，71名（25%）前来进行全面体检的患者接受了看似“常规”或基线的SMAC检测。43名（61%）患者的化学检测结果中至少有一项异常。大多数异常结果似乎临床意义不大，但很少有结果被复查或进行其他评估。筛查或基线化学检测是一般健康评估的常见项目，但此类检测的效果尚不清楚。
