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1·Pulmonary function tests(PFT), including forced vital capacity(FVC), forced the first second of expiratory volume (FEV1) and FEV1/FVC.

肺功能检查结果。 包括用力肺活量（FVC），第一秒时间肺活量（FEV1）和一秒率（FEV1／FVC）等。

2·Percent forced vital capacity was the outcome parameter with data analysis using a mixed-model repeated-measures ANOVA and paired t tests.

用力肺活量作为分析的参数使用混合的模型反复使用ANOVA和配对t检验进行统计学比较。

3·The total amount of air they could blow out after a deep breath was also measured (Forced Vital Capacity, FVC), but there was little effect on this measure.

最大肺活量是指在深吸气之后呼出的最大气量，它与肺功能没有太大关系。

4·Objective. To compare the rate of respiratory decline using percent normal forced vital capacity (% FVC) measurements before and after posterior spinal fusion.

目的。使用目前常用的用力肺活量(FVC)指标来判断脊柱后路融合手术后呼吸功能的降低情况。