Methods The relations between vital capacity pulmonary ventilation and age, height, body weight chest circumference and sitting height were analyzed with multiple correlation and stepwise regression with SPSS.

• 方法对大庆市7~18岁中小学生肺活量、肺通气量与年龄、身高、体重、胸围、坐高进行多元相关及逐步回归分析。