|
Characteristics
|
All SP
|
PSP
|
SSP
|
p
|
|---|
|
(n = 1990)
|
(n = 1632)
|
(n = 358)
| |
|---|
|
Sex
| | | | |
0.65
|
| |
Female, n (%)
|
399 (21.8%)
|
351 (21.6%)
|
48 (23%)
| |
| |
Male, n (%)
|
1435 (78.2%)
|
1274 (78.4%)
|
161 (77%)
| |
|
Age (years), mean (SD)
|
33.2 (15.6%)
|
30.4 (12.6%)
|
54.4 (19.9%)
|
< 0.0001
|
|
Smoking history
| | | |
< 0.0001
|
| |
Current smoker, n (%)
|
885 (67.2%)
|
787 (68.3%)
|
98 (60.12%)
| |
| |
Ex-smoker, n (%)
|
143 (10.9%)
|
89 (7.7%)
|
54 (33.13%)
| |
| |
Never smoker, n (%)
|
288 (21.9%)
|
277 (24%)
|
11 (6.75%)
| |
|
Cannabis, n (%)
| |
81 (4.4%)
|
77 (4.7%)
|
4 (1.9%)
|
0.07
|
|
Previous history of PS, n (%)
| |
708 (38.5%)
|
619 (37.9%)
|
89 (43%)
|
0.15
|
- SP spontaneous pneumothorax
- PSP primary spontaneous pneumothorax
- SSP secondary spontaneous pneumothorax
- Data are presented as mean and standard deviation (SD)