Results In the group of recurrent pneumothorax, the percentage of patients with secondary spontaneous pneumothorax was 65%.

结果复发组中继发性气胸占65%，临床主要表现为气促、胸痛、咳嗽加重。

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Result The incidence of the primary spontaneous pneumothorax was 69% and the incidence of the secondary spontaneous pneumothorax was 31%.

结果原发性自发性气胸发生率为6 9% ，继发性自发性气胸发生率31% ；

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