TABLE 5

Characteristics of the hospitalisations with primary spontaneous pneumothorax on first admission

VariableOverallFemaleMale
Patients51475 (15%)439 (85%)
Characteristics at first onset 
 Sudden onset of symptoms490 (95%)68 (91%)422 (96%)
 Admitted to hospital within 24 h after onset385 (75%)46 (61%)339 (77%)
Symptom onset during 
 Sleep82 (16%)11 (14%)71 (16%)
 Rest359 (70%)59 (79%)300 (68%)
 Normal activities of daily living56 (11%)5 (7%)51 (12%)
 Exercise17 (3%)017 (4%)
Treatment facility at first admittance 
 Cardiothoracic centre99 (19%)14 (19%)85 (19%)
 General surgical/medical ward326 (64%)45 (60%)281 (64%)
 Referred from general ward to cardiothoracic centre89 (17%)16 (21%)73 (17%)
Hospitalisation duration days 
 Median (range)4 (1–30)4 (1–20)4 (1–30)
 Mean±sd5.1±4.275.8±5.035.0±4.11
Treatment on first admission 
 Initial treatment 
  Observation74 (14%)11 (15%)63 (14%)
  Chest tube with/without suction440 (86%)64 (85%)376 (86%)
 Surgical treatment performed during the first admission 
  VATS resection of blebs with partial pleurectomy or pleural   abrasion88 (17%)21 (28%)69 (16%)
  Resection of bullae by thoracotomy2 (0.5%)02 (0.5%)

VATS: video-assisted thoracoscopic surgery.