Table 1.

Sociodemographic characteristics of patients with SP

	All SP (N=4658)	%*
Sex
Male	3796	81.5
Female	862	18.5
Age (years)
<15	123	2.6
15–34	2407	51.7
35–64	1374	29.5
≥65	754	16.2
Income range
Low (0–3)	1037	22.3
Medium (4–7)	1725	37.0
High (8–10)	1896	40.7
Insurance type
Region	1741	37.4
Job	2804	60.2
Medical assistance	113	2.4

*%=n/4658×100.

SP, spontaneous pneumothorax.