Table 1 Reported treatment practice of clinicians in specialist CF centres

Is the treatment of a new growth of P aeruginosa the same as the first ever isolation^a

33/41 (80%)

8/41 (20%)

Routine treatment of patients who present with their first growth of P aeruginosa ^b

Oral ciprofloxacin for 3 weeks and nebulised colistin for 3 months

21/29 (72%)

8/29 (28%)

Oral ciprofloxacin and nebulised colistin for 3 months

10/22 (45%)

12/22 (55%)

IV antibiotics for 2 weeks and nebulised colistin for 3 months

4/18(22%)

14/18 (78%)

Other

9/22 (41%)

13/22 (59%)

Is the first or a new P aeruginosa isolation ever treated with IV antibiotics and nebulised colistin rather than oral ciprofloxacin and nebulised colistin?

38/42 (90%)

4/42 (10%)

Likely to treat first or new growth of P aeruginosa with IV antibiotics when^b

The patient is clinically unwell

35/35 (100%)

0/35 (0%)

The patient has had a previous culture of P aeruginosa

13/24 (54%)

11/24 (46%)

The patient has reduced lung function

28/31 (90%)

3/31 (10%)

Other reason

14/21 (67%)^c

7/21 (33%)