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. Author manuscript; available in PMC: 2014 Jul 2.
Published in final edited form as: J Cyst Fibros. 2011 Jul 30;10(6):453–459. doi: 10.1016/j.jcf.2011.07.003

Table 3.

Percentage of Patients Treated with Either “Any” Antibiotics or IV Antibiotics during the Follow Up Period by Patient Subgroup

FEV1 Range (% predicted)
All Patients Age < 6 yrs ≥ 100 70 to <100 40 to <70 <40
“Any” IV “Any” IV “Any” IV “Any” IV “Any” IV “Any” IV
All Patients 55.0 34.1 35.3 18.8 39.5 16.0 55.0 29.2 76.8 57.0 85.7 72.7

Age Group
  6-12 yrs 49.8 27.6 - - 36.5 14.5 49.2 25.2 71.8 54.1 84.5 72.5
  13-17 yrs 65.5 41.0 - - 46.1 19.9 60.7 32.0 79.4 59.0 89.0 79.8
  18-24 yrs 76.0 56.1 - - 54.7 21.9 65.6 39.5 80.6 61.7 86.4 76.5
 ≥ 25 yrs 75.8 54.6 - - 51.6 12.9 60.5 33.6 75.7 53.1 84.3 68.2

Sex
  Male 52.3 31.2 33.3 17.9 37.9 14.4 51.7 25.2 73.6 53.2 84.1 69.2
  Female 57.8 37.1 37.3 19.8 41.4 17.7 58.4 33.3 79.6 60.3 87.6 77.0

WFA Percentilea
  <25th 60.5 40.9 39.0 23.3 40.6 17.1 55.2 30.1 78.9 59.9 86.8 74.9
  ≥25th 50.2 28.2 32.7 15.8 39.0 15.4 54.7 28.4 74.0 53.1 82.6 67.1

Signs and Symptomsa
  Daily Cough 67.9 46.7 44.8 26.2 49.5 21.5 62.6 36.3 79.8 60.4 86.8 74.2
  Daily Sputum 74.8 54.8 52.9 33.3 57.5 25.7 65.9 40.0 80.3 61.9 87.0 74.6
  Clubbing 65.5 43.5 43.8 24.0 42.7 16.7 59.5 32.2 79.3 59.7 86.4 74.0
  Crackles 78.1 60.9 58.0 41.6 46.0 25.6 67.0 42.7 82.3 64.8 86.7 74.5
  Wheeze 61.5 43.2 40.0 27.3 40.2 18.5 53.6 31.7 75.2 54.3 79.3 66.3

Pulmonary Exacerbation Historyb
  None 42.4 19.4 28.9 12.7 34.4 11.1 46.2 19.3 64.0 37.8 72.1 49.3
  One 68.9 47.4 48.6 30.3 58.0 32.6 69.3 43.1 80.2 60.1 85.5 71.0
  Two 82.8 67.9 61.1 45.3 73.2 48.7 82.1 61.3 89.4 76.4 90.2 81.9
  Three or more 92.0 84.4 68.9 55.5 81.4 69.4 93.0 81.9 95.6 89.0 96.2 91.8

P. aeruginosa Culture Historyc
  All Negative 38.4 22.5 29.5 16.1 29.2 12.8 41.4 22.3 66.4 50.2 77.9 66.0
  Any Positive 69.1 44.6 48.4 25.1 53.0 20.2 65.3 35.0 80.8 60.5 87.8 75.1
   Indeterminated 63.9 36.3 45.2 22.9 53.5 20.2 61.7 31.3 74.8 50.0 82.8 64
   Intermittente 56.5 32.8 44.6 21.7 44.7 17.9 58.2 38.9 76.3 55.7 86.9 77.3
   Chronicf 75.9 52.5 58.3 33.3 57.6 21.6 69.6 50.0 83.5 64.6 89.1 77.7
a

As recorded at the index visit

b

Number of pulmonary exacerbations treated with IV antibiotics in the 12 months prior to the index visit

c

Recorded in the 12 months prior to the index visit

d

Only one culture result reported

e

≤50% of cultures positive

f

>50% of cultures positive