TABLE 1.
Age years | |
21–30 | 1 (2) |
31–40 | 4 (7) |
41–50 | 10 (17) |
51–60 | 16 (27) |
61–70 | 14 (23) |
71–80 | 15 (25) |
Female | 14 (23) |
Side affected | |
Right | 38 (63) |
Left | 18 (30) |
Bilateral | 4 (7) |
Smoking status | |
Never-smoker | 34 (57) |
Current smoker | 3 (5) |
Ex-smoker | 15 (25) |
Unknown | 8 (13) |
Respiratory comorbidities | |
COPD | 6 (10) |
Asthma | 10 (17) |
Bronchiectasis | 2 (3) |
Pneumothorax | 0 (0) |
None | 43 (72) |
Other comorbidities | |
Systemic hypertension | 19 (32) |
Hyperlipidaemia | 16 (27) |
Atrial fibrillation | 3 (5) |
Chronic kidney disease | 4 (7) |
Type 2 diabetes mellitus | 10 (17) |
Mode of breathing# | |
Spontaneous | 20 (32) |
CPAP/NIV | 3 (5) |
Intubated and ventilated | 27 (44) |
ECMO | 12 (20) |
Mode of diagnosis# | |
On admission | 9 (15) |
Clinical change | 17 (27) |
Incidental | 31 (50) |
Clinical examination | 3 (5) |
Unknown | 2 (3) |
Management# | |
Chest drain | 43 (69) |
Chest drain then surgery | 1 (2) |
Conservative | 15 (24) |
Palliative | 3 (5) |
Height¶ m | 1.72 (1.67–1.79) |
BMI+ kg·m−2 | 27.0 (23.5–31.4) |
Data are presented as n (%) or median (interquartile range). CPAP: continuous positive airway pressure; NIV: noninvasive ventilation; ECMO: extracorporeal membrane oxygenation; BMI: body mass index. #: n=62 due to two patients with sequential pneumothoraces; ¶: n=52; +: n=53.