Abstract S62 Table 1.

Comparison of combined FLC (cFLC) concentrations in different sub groups (using Mann Whitney U test)

 Group 1Group 2P value
MortalityDead
11.2%
median cFLC = 28.8
(IQR 16.2)		Alive
88.8%
median cFLC = 25.2
(IQR 10.1)		0.005**
EmphysemaYes
77.8%
median cFLC = 25.2
(IQR 10.3)		No
22.2%
median cFLC = 26.8
(IQR 11.2)		0.222
BronchiectasisYes
31.9%
median cFLC = 25.8
(IQR 10.4)		No
68.1%
median cFLC = 26.4
(IQR 10.5)		0.446
Chronic
bronchitis		Yes
33.7%
median cFLC = 27.8
(IQR 14.3)		No
66.3%
median cFLC = 25.0
(IQR 9.4)		0.008**
Current smokersYes
9.2%
median cFLC = 25.4
(IQR 8.0)		No
90.8%
median cFLC = 26.1
(IQR 10.5)		0.944
Culture positive

(1  stable sputum
PPM >105 CFU/ml)		Yes
n = 47
median cFLC = 29.9
(IQR 17.3)		No
n = 24
median cFLC = 28.8
(IQR 15.3)		0.584
Chronically
colonised ***		Yes
n = 8
median cFLC = 38.9
(IQR 9.7)		No
n = 13
median cFLC = 26.3
(IQR  17.1)		0.036*

  • ↵* p = ≤ 0.05

  • ↵** p = ≤ 0.01

  • PPM = potentially pathogenic organism, CFU = colony forming unit

  • ↵*** Only patients who had provided a minimum of 3 stable state sputum cultures included in analysis