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Table 1 Involvement frequency in management of suspected pneumothorax and lung ultrasonography (LUS) usage in patients with suspected pneumothorax

From: Current practice of lung ultrasonography (LUS) in the diagnosis of pneumothorax: a survey of physician sonographers in Germany

LUS-usage Frequency of involvement  
Infrequently Frequently Very frequently Total
≤1/month ≤1/week >1/week
Never/rarely 7.9% 9.0% 1.1% 18.0%
(7) (8) (1) (16)
Occasionally 14.6% 11.2% 1.1% 27.0%
(13) (10) (1) (24)
Frequently 4.5% 11.2%* 1.1%* 16.9%
(4) (10) (1) (15)
Always/almost always 5.6% 22.5%* 10.1%* 38.2%
(5) (20) (9) (34)
Total 32.6% 53.9% 13.5% 100%
(29) (48) (12) (89)
  1. Data presented as percentages (counts); asterisks indicate high-caseload sonographers.