Table. 1—

Clustered Pseudomonas aeruginosa isolates at the West Midlands Adult Cystic Fibrosis Centre

Cluster	Patients n	Total population %
Md1	47	30
Liverpool	18	11.5
Manchester	2
C	4
D	3
E	2
F	4	18.5
H	2
I	2
J	7
K	3
Unique	63	40
Total	157

Md1: Midlands 1.