组治疗中期及治疗后用力肺活量（FVC）显著增加。

The FVC increased markedly in A and B group at the middle and end of treatment.

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第一秒用力呼气量占用力肺活量的百分率(FEV1 %)。

First second forced expiratory volume accounts for the percentage of FVC (FEV1%).

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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。

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

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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。

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

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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。

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

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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。

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

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